Home / 247,770.75-371,634.25-90,000.57

Finding the Fourth Proportional to 247,770.75, 371,634.25 and 90,000.57

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Solution

The fourth proportional to 247,770.75, 371,634.25 and 90,000.57 is: 134,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,770.75 : 371,634.25 = 90,000.57 : x
  2. Step 2: Convert to fraction form
    247,770.75/371,634.25 = 90,000.57/x
  3. Step 3: Cross multiply
    247,770.75x = 371,634.25 × 90,000.57
  4. Step 4: Simplify right side
    247,770.75x = 33,447,294,331.52
  5. Step 5: Solve for x
    x = 33,447,294,331.52/247,770.75
  6. Step 6: Final answer
    x = 134,992.91

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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.