Home / 347,652.20-521,348.70-137,246.60

Finding the Fourth Proportional to 347,652.20, 521,348.70 and 137,246.60

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Solution

The fourth proportional to 347,652.20, 521,348.70 and 137,246.60 is: 205,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,652.20 : 521,348.70 = 137,246.60 : x
  2. Step 2: Convert to fraction form
    347,652.20/521,348.70 = 137,246.60/x
  3. Step 3: Cross multiply
    347,652.20x = 521,348.70 × 137,246.60
  4. Step 4: Simplify right side
    347,652.20x = 71,553,336,489.42
  5. Step 5: Solve for x
    x = 71,553,336,489.42/347,652.20
  6. Step 6: Final answer
    x = 205,818.74

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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.