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Finding the Fourth Proportional to 133,398.80, 200,049.60 and 44,655.20

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Solution

The fourth proportional to 133,398.80, 200,049.60 and 44,655.20 is: 66,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,398.80 : 200,049.60 = 44,655.20 : x
  2. Step 2: Convert to fraction form
    133,398.80/200,049.60 = 44,655.20/x
  3. Step 3: Cross multiply
    133,398.80x = 200,049.60 × 44,655.20
  4. Step 4: Simplify right side
    133,398.80x = 8,933,254,897.92
  5. Step 5: Solve for x
    x = 8,933,254,897.92/133,398.80
  6. Step 6: Final answer
    x = 66,966.53

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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.