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Finding the Fourth Proportional to 636,007.71, 954,001.85 and 162,689.07

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Solution

The fourth proportional to 636,007.71, 954,001.85 and 162,689.07 is: 244,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,007.71 : 954,001.85 = 162,689.07 : x
  2. Step 2: Convert to fraction form
    636,007.71/954,001.85 = 162,689.07/x
  3. Step 3: Cross multiply
    636,007.71x = 954,001.85 × 162,689.07
  4. Step 4: Simplify right side
    636,007.71x = 155,205,672,941.33
  5. Step 5: Solve for x
    x = 155,205,672,941.33/636,007.71
  6. Step 6: Final answer
    x = 244,031.12

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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.