Home / 392,523.09-541,680.33-220,417.11

Finding the Fourth Proportional to 392,523.09, 541,680.33 and 220,417.11

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Solution

The fourth proportional to 392,523.09, 541,680.33 and 220,417.11 is: 304,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,523.09 : 541,680.33 = 220,417.11 : x
  2. Step 2: Convert to fraction form
    392,523.09/541,680.33 = 220,417.11/x
  3. Step 3: Cross multiply
    392,523.09x = 541,680.33 × 220,417.11
  4. Step 4: Simplify right side
    392,523.09x = 119,395,612,882.45
  5. Step 5: Solve for x
    x = 119,395,612,882.45/392,523.09
  6. Step 6: Final answer
    x = 304,174.75

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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.