Home / 435,245.20-652,792.60-115,399.29

Finding the Fourth Proportional to 435,245.20, 652,792.60 and 115,399.29

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Solution

The fourth proportional to 435,245.20, 652,792.60 and 115,399.29 is: 173,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,245.20 : 652,792.60 = 115,399.29 : x
  2. Step 2: Convert to fraction form
    435,245.20/652,792.60 = 115,399.29/x
  3. Step 3: Cross multiply
    435,245.20x = 652,792.60 × 115,399.29
  4. Step 4: Simplify right side
    435,245.20x = 75,331,802,557.25
  5. Step 5: Solve for x
    x = 75,331,802,557.25/435,245.20
  6. Step 6: Final answer
    x = 173,079.00

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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.