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Finding the Fourth Proportional to 435,751.38, 653,732.13 and 151,400.52

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Solution

The fourth proportional to 435,751.38, 653,732.13 and 151,400.52 is: 227,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,751.38 : 653,732.13 = 151,400.52 : x
  2. Step 2: Convert to fraction form
    435,751.38/653,732.13 = 151,400.52/x
  3. Step 3: Cross multiply
    435,751.38x = 653,732.13 × 151,400.52
  4. Step 4: Simplify right side
    435,751.38x = 98,975,384,422.71
  5. Step 5: Solve for x
    x = 98,975,384,422.71/435,751.38
  6. Step 6: Final answer
    x = 227,137.28

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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.