Home / 438,856.32-658,337.24-154,487.82

Finding the Fourth Proportional to 438,856.32, 658,337.24 and 154,487.82

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Solution

The fourth proportional to 438,856.32, 658,337.24 and 154,487.82 is: 231,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,856.32 : 658,337.24 = 154,487.82 : x
  2. Step 2: Convert to fraction form
    438,856.32/658,337.24 = 154,487.82/x
  3. Step 3: Cross multiply
    438,856.32x = 658,337.24 × 154,487.82
  4. Step 4: Simplify right side
    438,856.32x = 101,705,085,032.42
  5. Step 5: Solve for x
    x = 101,705,085,032.42/438,856.32
  6. Step 6: Final answer
    x = 231,750.30

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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.