Home / 392,276.10-588,122.55-214,983.30

Finding the Fourth Proportional to 392,276.10, 588,122.55 and 214,983.30

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Solution

The fourth proportional to 392,276.10, 588,122.55 and 214,983.30 is: 322,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,276.10 : 588,122.55 = 214,983.30 : x
  2. Step 2: Convert to fraction form
    392,276.10/588,122.55 = 214,983.30/x
  3. Step 3: Cross multiply
    392,276.10x = 588,122.55 × 214,983.30
  4. Step 4: Simplify right side
    392,276.10x = 126,436,526,603.42
  5. Step 5: Solve for x
    x = 126,436,526,603.42/392,276.10
  6. Step 6: Final answer
    x = 322,315.14

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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.