Home / 453,505.20-680,232.60-137,937.30

Finding the Fourth Proportional to 453,505.20, 680,232.60 and 137,937.30

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Solution

The fourth proportional to 453,505.20, 680,232.60 and 137,937.30 is: 206,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,505.20 : 680,232.60 = 137,937.30 : x
  2. Step 2: Convert to fraction form
    453,505.20/680,232.60 = 137,937.30/x
  3. Step 3: Cross multiply
    453,505.20x = 680,232.60 × 137,937.30
  4. Step 4: Simplify right side
    453,505.20x = 93,829,448,215.98
  5. Step 5: Solve for x
    x = 93,829,448,215.98/453,505.20
  6. Step 6: Final answer
    x = 206,898.29

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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.