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Finding the Fourth Proportional to 247,951.80, 371,927.70 and 159,305.40

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Solution

The fourth proportional to 247,951.80, 371,927.70 and 159,305.40 is: 238,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,951.80 : 371,927.70 = 159,305.40 : x
  2. Step 2: Convert to fraction form
    247,951.80/371,927.70 = 159,305.40/x
  3. Step 3: Cross multiply
    247,951.80x = 371,927.70 × 159,305.40
  4. Step 4: Simplify right side
    247,951.80x = 59,250,091,019.58
  5. Step 5: Solve for x
    x = 59,250,091,019.58/247,951.80
  6. Step 6: Final answer
    x = 238,958.10

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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.