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Finding the Fourth Proportional to 273,423.70, 410,135.55 and 95,912.20

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Solution

The fourth proportional to 273,423.70, 410,135.55 and 95,912.20 is: 143,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,423.70 : 410,135.55 = 95,912.20 : x
  2. Step 2: Convert to fraction form
    273,423.70/410,135.55 = 95,912.20/x
  3. Step 3: Cross multiply
    273,423.70x = 410,135.55 × 95,912.20
  4. Step 4: Simplify right side
    273,423.70x = 39,337,002,898.71
  5. Step 5: Solve for x
    x = 39,337,002,898.71/273,423.70
  6. Step 6: Final answer
    x = 143,868.30

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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.