Home / 208,824.39-288,177.89-113,331.15

Finding the Fourth Proportional to 208,824.39, 288,177.89 and 113,331.15

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Solution

The fourth proportional to 208,824.39, 288,177.89 and 113,331.15 is: 156,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,824.39 : 288,177.89 = 113,331.15 : x
  2. Step 2: Convert to fraction form
    208,824.39/288,177.89 = 113,331.15/x
  3. Step 3: Cross multiply
    208,824.39x = 288,177.89 × 113,331.15
  4. Step 4: Simplify right side
    208,824.39x = 32,659,531,111.62
  5. Step 5: Solve for x
    x = 32,659,531,111.62/208,824.39
  6. Step 6: Final answer
    x = 156,397.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.