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Finding the Fourth Proportional to 276,080.38, 414,217.76 and 135,937.42

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Solution

The fourth proportional to 276,080.38, 414,217.76 and 135,937.42 is: 203,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,080.38 : 414,217.76 = 135,937.42 : x
  2. Step 2: Convert to fraction form
    276,080.38/414,217.76 = 135,937.42/x
  3. Step 3: Cross multiply
    276,080.38x = 414,217.76 × 135,937.42
  4. Step 4: Simplify right side
    276,080.38x = 56,307,693,612.58
  5. Step 5: Solve for x
    x = 56,307,693,612.58/276,080.38
  6. Step 6: Final answer
    x = 203,953.98

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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.