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Finding the Fourth Proportional to 247,447.51, 371,171.13 and 89,675.71

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Solution

The fourth proportional to 247,447.51, 371,171.13 and 89,675.71 is: 134,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,447.51 : 371,171.13 = 89,675.71 : x
  2. Step 2: Convert to fraction form
    247,447.51/371,171.13 = 89,675.71/x
  3. Step 3: Cross multiply
    247,447.51x = 371,171.13 × 89,675.71
  4. Step 4: Simplify right side
    247,447.51x = 33,285,034,614.25
  5. Step 5: Solve for x
    x = 33,285,034,614.25/247,447.51
  6. Step 6: Final answer
    x = 134,513.52

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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.