Home / 247,595.25-371,146.79-147,605.61

Finding the Fourth Proportional to 247,595.25, 371,146.79 and 147,605.61

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Solution

The fourth proportional to 247,595.25, 371,146.79 and 147,605.61 is: 221,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,595.25 : 371,146.79 = 147,605.61 : x
  2. Step 2: Convert to fraction form
    247,595.25/371,146.79 = 147,605.61/x
  3. Step 3: Cross multiply
    247,595.25x = 371,146.79 × 147,605.61
  4. Step 4: Simplify right side
    247,595.25x = 54,783,348,010.61
  5. Step 5: Solve for x
    x = 54,783,348,010.61/247,595.25
  6. Step 6: Final answer
    x = 221,261.71

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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.