Home / 247,605.12-371,432.28-89,845.86

Finding the Fourth Proportional to 247,605.12, 371,432.28 and 89,845.86

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Solution

The fourth proportional to 247,605.12, 371,432.28 and 89,845.86 is: 134,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,605.12 : 371,432.28 = 89,845.86 : x
  2. Step 2: Convert to fraction form
    247,605.12/371,432.28 = 89,845.86/x
  3. Step 3: Cross multiply
    247,605.12x = 371,432.28 × 89,845.86
  4. Step 4: Simplify right side
    247,605.12x = 33,371,652,628.36
  5. Step 5: Solve for x
    x = 33,371,652,628.36/247,605.12
  6. Step 6: Final answer
    x = 134,777.72

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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.