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Finding the Fourth Proportional to 522,872.70, 784,309.05 and 168,141.30

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Solution

The fourth proportional to 522,872.70, 784,309.05 and 168,141.30 is: 252,211.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,872.70 : 784,309.05 = 168,141.30 : x
  2. Step 2: Convert to fraction form
    522,872.70/784,309.05 = 168,141.30/x
  3. Step 3: Cross multiply
    522,872.70x = 784,309.05 × 168,141.30
  4. Step 4: Simplify right side
    522,872.70x = 131,874,743,268.77
  5. Step 5: Solve for x
    x = 131,874,743,268.77/522,872.70
  6. Step 6: Final answer
    x = 252,211.95

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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.