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Finding the Fourth Proportional to 276,080.40, 414,120.60 and 98,593.20

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Solution

The fourth proportional to 276,080.40, 414,120.60 and 98,593.20 is: 147,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,080.40 : 414,120.60 = 98,593.20 : x
  2. Step 2: Convert to fraction form
    276,080.40/414,120.60 = 98,593.20/x
  3. Step 3: Cross multiply
    276,080.40x = 414,120.60 × 98,593.20
  4. Step 4: Simplify right side
    276,080.40x = 40,829,475,139.92
  5. Step 5: Solve for x
    x = 40,829,475,139.92/276,080.40
  6. Step 6: Final answer
    x = 147,889.80

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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.