Home / 391,165.94-539,747.35-227,849.36

Finding the Fourth Proportional to 391,165.94, 539,747.35 and 227,849.36

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Solution

The fourth proportional to 391,165.94, 539,747.35 and 227,849.36 is: 314,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,165.94 : 539,747.35 = 227,849.36 : x
  2. Step 2: Convert to fraction form
    391,165.94/539,747.35 = 227,849.36/x
  3. Step 3: Cross multiply
    391,165.94x = 539,747.35 × 227,849.36
  4. Step 4: Simplify right side
    391,165.94x = 122,981,084,990.84
  5. Step 5: Solve for x
    x = 122,981,084,990.84/391,165.94
  6. Step 6: Final answer
    x = 314,396.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.