Home / 311,938.40-467,677.20-124,853.60

Finding the Fourth Proportional to 311,938.40, 467,677.20 and 124,853.60

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Solution

The fourth proportional to 311,938.40, 467,677.20 and 124,853.60 is: 187,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,938.40 : 467,677.20 = 124,853.60 : x
  2. Step 2: Convert to fraction form
    311,938.40/467,677.20 = 124,853.60/x
  3. Step 3: Cross multiply
    311,938.40x = 467,677.20 × 124,853.60
  4. Step 4: Simplify right side
    311,938.40x = 58,391,182,057.92
  5. Step 5: Solve for x
    x = 58,391,182,057.92/311,938.40
  6. Step 6: Final answer
    x = 187,188.18

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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.