Home / 435,645.10-653,500.05-155,125.90

Finding the Fourth Proportional to 435,645.10, 653,500.05 and 155,125.90

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Solution

The fourth proportional to 435,645.10, 653,500.05 and 155,125.90 is: 232,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,645.10 : 653,500.05 = 155,125.90 : x
  2. Step 2: Convert to fraction form
    435,645.10/653,500.05 = 155,125.90/x
  3. Step 3: Cross multiply
    435,645.10x = 653,500.05 × 155,125.90
  4. Step 4: Simplify right side
    435,645.10x = 101,374,783,406.30
  5. Step 5: Solve for x
    x = 101,374,783,406.30/435,645.10
  6. Step 6: Final answer
    x = 232,700.39

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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.