Home / 327,117.38-490,475.09-127,204.73

Finding the Fourth Proportional to 327,117.38, 490,475.09 and 127,204.73

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Solution

The fourth proportional to 327,117.38, 490,475.09 and 127,204.73 is: 190,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,117.38 : 490,475.09 = 127,204.73 : x
  2. Step 2: Convert to fraction form
    327,117.38/490,475.09 = 127,204.73/x
  3. Step 3: Cross multiply
    327,117.38x = 490,475.09 × 127,204.73
  4. Step 4: Simplify right side
    327,117.38x = 62,390,748,306.78
  5. Step 5: Solve for x
    x = 62,390,748,306.78/327,117.38
  6. Step 6: Final answer
    x = 190,728.93

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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.