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Finding the Fourth Proportional to 437,789.70, 656,684.55 and 122,246.10

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Solution

The fourth proportional to 437,789.70, 656,684.55 and 122,246.10 is: 183,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,789.70 : 656,684.55 = 122,246.10 : x
  2. Step 2: Convert to fraction form
    437,789.70/656,684.55 = 122,246.10/x
  3. Step 3: Cross multiply
    437,789.70x = 656,684.55 × 122,246.10
  4. Step 4: Simplify right side
    437,789.70x = 80,277,125,167.76
  5. Step 5: Solve for x
    x = 80,277,125,167.76/437,789.70
  6. Step 6: Final answer
    x = 183,369.15

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Similar ratio
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1.5x scale

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.