Home / 314,326.20-471,489.30-127,337.70

Finding the Fourth Proportional to 314,326.20, 471,489.30 and 127,337.70

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Solution

The fourth proportional to 314,326.20, 471,489.30 and 127,337.70 is: 191,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,326.20 : 471,489.30 = 127,337.70 : x
  2. Step 2: Convert to fraction form
    314,326.20/471,489.30 = 127,337.70/x
  3. Step 3: Cross multiply
    314,326.20x = 471,489.30 × 127,337.70
  4. Step 4: Simplify right side
    314,326.20x = 60,038,363,036.61
  5. Step 5: Solve for x
    x = 60,038,363,036.61/314,326.20
  6. Step 6: Final answer
    x = 191,006.55

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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.