Home / 347,724.20-521,610.60-137,334.80

Finding the Fourth Proportional to 347,724.20, 521,610.60 and 137,334.80

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Solution

The fourth proportional to 347,724.20, 521,610.60 and 137,334.80 is: 206,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,724.20 : 521,610.60 = 137,334.80 : x
  2. Step 2: Convert to fraction form
    347,724.20/521,610.60 = 137,334.80/x
  3. Step 3: Cross multiply
    347,724.20x = 521,610.60 × 137,334.80
  4. Step 4: Simplify right side
    347,724.20x = 71,635,287,428.88
  5. Step 5: Solve for x
    x = 71,635,287,428.88/347,724.20
  6. Step 6: Final answer
    x = 206,011.80

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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.