Home / 398,824.14-598,106.78-132,513.16

Finding the Fourth Proportional to 398,824.14, 598,106.78 and 132,513.16

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Solution

The fourth proportional to 398,824.14, 598,106.78 and 132,513.16 is: 198,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,824.14 : 598,106.78 = 132,513.16 : x
  2. Step 2: Convert to fraction form
    398,824.14/598,106.78 = 132,513.16/x
  3. Step 3: Cross multiply
    398,824.14x = 598,106.78 × 132,513.16
  4. Step 4: Simplify right side
    398,824.14x = 79,257,019,435.22
  5. Step 5: Solve for x
    x = 79,257,019,435.22/398,824.14
  6. Step 6: Final answer
    x = 198,726.74

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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.