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Finding the Fourth Proportional to 453,770.02, 680,732.79 and 138,168.10

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Solution

The fourth proportional to 453,770.02, 680,732.79 and 138,168.10 is: 207,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,770.02 : 680,732.79 = 138,168.10 : x
  2. Step 2: Convert to fraction form
    453,770.02/680,732.79 = 138,168.10/x
  3. Step 3: Cross multiply
    453,770.02x = 680,732.79 × 138,168.10
  4. Step 4: Simplify right side
    453,770.02x = 94,055,556,202.00
  5. Step 5: Solve for x
    x = 94,055,556,202.00/453,770.02
  6. Step 6: Final answer
    x = 207,275.83

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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.