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Finding the Fourth Proportional to 447,584.47, 671,483.32 and 132,041.68

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Solution

The fourth proportional to 447,584.47, 671,483.32 and 132,041.68 is: 198,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,584.47 : 671,483.32 = 132,041.68 : x
  2. Step 2: Convert to fraction form
    447,584.47/671,483.32 = 132,041.68/x
  3. Step 3: Cross multiply
    447,584.47x = 671,483.32 × 132,041.68
  4. Step 4: Simplify right side
    447,584.47x = 88,663,783,655.97
  5. Step 5: Solve for x
    x = 88,663,783,655.97/447,584.47
  6. Step 6: Final answer
    x = 198,093.97

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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.