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Finding the Fourth Proportional to 557,759.70, 836,639.55 and 137,030.10

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Solution

The fourth proportional to 557,759.70, 836,639.55 and 137,030.10 is: 205,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,759.70 : 836,639.55 = 137,030.10 : x
  2. Step 2: Convert to fraction form
    557,759.70/836,639.55 = 137,030.10/x
  3. Step 3: Cross multiply
    557,759.70x = 836,639.55 × 137,030.10
  4. Step 4: Simplify right side
    557,759.70x = 114,644,801,200.46
  5. Step 5: Solve for x
    x = 114,644,801,200.46/557,759.70
  6. Step 6: Final answer
    x = 205,545.15

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Similar ratio
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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.