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Finding the Fourth Proportional to 550,364.40, 825,406.20 and 171,210.96

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Solution

The fourth proportional to 550,364.40, 825,406.20 and 171,210.96 is: 256,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,364.40 : 825,406.20 = 171,210.96 : x
  2. Step 2: Convert to fraction form
    550,364.40/825,406.20 = 171,210.96/x
  3. Step 3: Cross multiply
    550,364.40x = 825,406.20 × 171,210.96
  4. Step 4: Simplify right side
    550,364.40x = 141,318,587,891.95
  5. Step 5: Solve for x
    x = 141,318,587,891.95/550,364.40
  6. Step 6: Final answer
    x = 256,772.76

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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.