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Finding the Fourth Proportional to 247,988.64, 371,974.70 and 107,747.26

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Solution

The fourth proportional to 247,988.64, 371,974.70 and 107,747.26 is: 161,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,988.64 : 371,974.70 = 107,747.26 : x
  2. Step 2: Convert to fraction form
    247,988.64/371,974.70 = 107,747.26/x
  3. Step 3: Cross multiply
    247,988.64x = 371,974.70 × 107,747.26
  4. Step 4: Simplify right side
    247,988.64x = 40,079,254,714.32
  5. Step 5: Solve for x
    x = 40,079,254,714.32/247,988.64
  6. Step 6: Final answer
    x = 161,617.30

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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.