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Finding the Fourth Proportional to 577,116.95, 865,675.64 and 150,651.57

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Solution

The fourth proportional to 577,116.95, 865,675.64 and 150,651.57 is: 225,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,116.95 : 865,675.64 = 150,651.57 : x
  2. Step 2: Convert to fraction form
    577,116.95/865,675.64 = 150,651.57/x
  3. Step 3: Cross multiply
    577,116.95x = 865,675.64 × 150,651.57
  4. Step 4: Simplify right side
    577,116.95x = 130,415,393,523.50
  5. Step 5: Solve for x
    x = 130,415,393,523.50/577,116.95
  6. Step 6: Final answer
    x = 225,977.41

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.