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Finding the Fourth Proportional to 577,169.87, 865,754.80 and 156,445.74

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Solution

The fourth proportional to 577,169.87, 865,754.80 and 156,445.74 is: 234,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,169.87 : 865,754.80 = 156,445.74 : x
  2. Step 2: Convert to fraction form
    577,169.87/865,754.80 = 156,445.74/x
  3. Step 3: Cross multiply
    577,169.87x = 865,754.80 × 156,445.74
  4. Step 4: Simplify right side
    577,169.87x = 135,443,649,953.44
  5. Step 5: Solve for x
    x = 135,443,649,953.44/577,169.87
  6. Step 6: Final answer
    x = 234,668.61

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Similar ratio
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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.