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Finding the Fourth Proportional to 357,772.71, 493,732.11 and 204,810.29

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Solution

The fourth proportional to 357,772.71, 493,732.11 and 204,810.29 is: 282,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,772.71 : 493,732.11 = 204,810.29 : x
  2. Step 2: Convert to fraction form
    357,772.71/493,732.11 = 204,810.29/x
  3. Step 3: Cross multiply
    357,772.71x = 493,732.11 × 204,810.29
  4. Step 4: Simplify right side
    357,772.71x = 101,121,413,138.70
  5. Step 5: Solve for x
    x = 101,121,413,138.70/357,772.71
  6. Step 6: Final answer
    x = 282,641.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.