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Finding the Fourth Proportional to 273,359.40, 410,103.90 and 140,260.20

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Solution

The fourth proportional to 273,359.40, 410,103.90 and 140,260.20 is: 210,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,359.40 : 410,103.90 = 140,260.20 : x
  2. Step 2: Convert to fraction form
    273,359.40/410,103.90 = 140,260.20/x
  3. Step 3: Cross multiply
    273,359.40x = 410,103.90 × 140,260.20
  4. Step 4: Simplify right side
    273,359.40x = 57,521,255,034.78
  5. Step 5: Solve for x
    x = 57,521,255,034.78/273,359.40
  6. Step 6: Final answer
    x = 210,423.55

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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.