Home / 438,849.28-658,273.92-154,472.86

Finding the Fourth Proportional to 438,849.28, 658,273.92 and 154,472.86

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Solution

The fourth proportional to 438,849.28, 658,273.92 and 154,472.86 is: 231,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,849.28 : 658,273.92 = 154,472.86 : x
  2. Step 2: Convert to fraction form
    438,849.28/658,273.92 = 154,472.86/x
  3. Step 3: Cross multiply
    438,849.28x = 658,273.92 × 154,472.86
  4. Step 4: Simplify right side
    438,849.28x = 101,685,455,085.81
  5. Step 5: Solve for x
    x = 101,685,455,085.81/438,849.28
  6. Step 6: Final answer
    x = 231,709.29

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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.