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Finding the Fourth Proportional to 447,606, 671,532.02 and 132,062.91

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Solution

The fourth proportional to 447,606, 671,532.02 and 132,062.91 is: 198,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,606 : 671,532.02 = 132,062.91 : x
  2. Step 2: Convert to fraction form
    447,606/671,532.02 = 132,062.91/x
  3. Step 3: Cross multiply
    447,606x = 671,532.02 × 132,062.91
  4. Step 4: Simplify right side
    447,606x = 88,684,470,036.05
  5. Step 5: Solve for x
    x = 88,684,470,036.05/447,606
  6. Step 6: Final answer
    x = 198,130.66

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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.