Home / 347,836.60-521,927.70-137,481.40

Finding the Fourth Proportional to 347,836.60, 521,927.70 and 137,481.40

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Solution

The fourth proportional to 347,836.60, 521,927.70 and 137,481.40 is: 206,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,836.60 : 521,927.70 = 137,481.40 : x
  2. Step 2: Convert to fraction form
    347,836.60/521,927.70 = 137,481.40/x
  3. Step 3: Cross multiply
    347,836.60x = 521,927.70 × 137,481.40
  4. Step 4: Simplify right side
    347,836.60x = 71,755,350,894.78
  5. Step 5: Solve for x
    x = 71,755,350,894.78/347,836.60
  6. Step 6: Final answer
    x = 206,290.40

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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.