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Finding the Fourth Proportional to 247,498.10, 371,253.54 and 79,018.28

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Solution

The fourth proportional to 247,498.10, 371,253.54 and 79,018.28 is: 118,529.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,498.10 : 371,253.54 = 79,018.28 : x
  2. Step 2: Convert to fraction form
    247,498.10/371,253.54 = 79,018.28/x
  3. Step 3: Cross multiply
    247,498.10x = 371,253.54 × 79,018.28
  4. Step 4: Simplify right side
    247,498.10x = 29,335,814,318.44
  5. Step 5: Solve for x
    x = 29,335,814,318.44/247,498.10
  6. Step 6: Final answer
    x = 118,529.46

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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.