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Finding the Fourth Proportional to 866,812.20, 1,300,218.30 and 227,114.70

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Solution

The fourth proportional to 866,812.20, 1,300,218.30 and 227,114.70 is: 340,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,812.20 : 1,300,218.30 = 227,114.70 : x
  2. Step 2: Convert to fraction form
    866,812.20/1,300,218.30 = 227,114.70/x
  3. Step 3: Cross multiply
    866,812.20x = 1,300,218.30 × 227,114.70
  4. Step 4: Simplify right side
    866,812.20x = 295,298,689,139.01
  5. Step 5: Solve for x
    x = 295,298,689,139.01/866,812.20
  6. Step 6: Final answer
    x = 340,672.05

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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.