Home / 392,316.75-588,475.13-96,828.75

Finding the Fourth Proportional to 392,316.75, 588,475.13 and 96,828.75

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Solution

The fourth proportional to 392,316.75, 588,475.13 and 96,828.75 is: 145,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,316.75 : 588,475.13 = 96,828.75 : x
  2. Step 2: Convert to fraction form
    392,316.75/588,475.13 = 96,828.75/x
  3. Step 3: Cross multiply
    392,316.75x = 588,475.13 × 96,828.75
  4. Step 4: Simplify right side
    392,316.75x = 56,981,310,759.84
  5. Step 5: Solve for x
    x = 56,981,310,759.84/392,316.75
  6. Step 6: Final answer
    x = 145,243.13

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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.