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Finding the Fourth Proportional to 557,608.38, 836,428.97 and 136,884.25

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Solution

The fourth proportional to 557,608.38, 836,428.97 and 136,884.25 is: 205,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,608.38 : 836,428.97 = 136,884.25 : x
  2. Step 2: Convert to fraction form
    557,608.38/836,428.97 = 136,884.25/x
  3. Step 3: Cross multiply
    557,608.38x = 836,428.97 × 136,884.25
  4. Step 4: Simplify right side
    557,608.38x = 114,493,952,236.72
  5. Step 5: Solve for x
    x = 114,493,952,236.72/557,608.38
  6. Step 6: Final answer
    x = 205,330.40

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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.