Home / 435,666.10-653,531.55-155,146.90

Finding the Fourth Proportional to 435,666.10, 653,531.55 and 155,146.90

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Solution

The fourth proportional to 435,666.10, 653,531.55 and 155,146.90 is: 232,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,666.10 : 653,531.55 = 155,146.90 : x
  2. Step 2: Convert to fraction form
    435,666.10/653,531.55 = 155,146.90/x
  3. Step 3: Cross multiply
    435,666.10x = 653,531.55 × 155,146.90
  4. Step 4: Simplify right side
    435,666.10x = 101,393,394,034.70
  5. Step 5: Solve for x
    x = 101,393,394,034.70/435,666.10
  6. Step 6: Final answer
    x = 232,731.89

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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.