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Finding the Fourth Proportional to 247,080, 341,006.98 and 156,444.38

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Solution

The fourth proportional to 247,080, 341,006.98 and 156,444.38 is: 215,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,080 : 341,006.98 = 156,444.38 : x
  2. Step 2: Convert to fraction form
    247,080/341,006.98 = 156,444.38/x
  3. Step 3: Cross multiply
    247,080x = 341,006.98 × 156,444.38
  4. Step 4: Simplify right side
    247,080x = 53,348,625,561.77
  5. Step 5: Solve for x
    x = 53,348,625,561.77/247,080
  6. Step 6: Final answer
    x = 215,916.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.