Home / 398,864.25-598,301.58-132,624.77

Finding the Fourth Proportional to 398,864.25, 598,301.58 and 132,624.77

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Solution

The fourth proportional to 398,864.25, 598,301.58 and 132,624.77 is: 198,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,864.25 : 598,301.58 = 132,624.77 : x
  2. Step 2: Convert to fraction form
    398,864.25/598,301.58 = 132,624.77/x
  3. Step 3: Cross multiply
    398,864.25x = 598,301.58 × 132,624.77
  4. Step 4: Simplify right side
    398,864.25x = 79,349,606,943.97
  5. Step 5: Solve for x
    x = 79,349,606,943.97/398,864.25
  6. Step 6: Final answer
    x = 198,938.88

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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.