Home / 247,430.76-371,342.94-89,704.20

Finding the Fourth Proportional to 247,430.76, 371,342.94 and 89,704.20

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Solution

The fourth proportional to 247,430.76, 371,342.94 and 89,704.20 is: 134,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,430.76 : 371,342.94 = 89,704.20 : x
  2. Step 2: Convert to fraction form
    247,430.76/371,342.94 = 89,704.20/x
  3. Step 3: Cross multiply
    247,430.76x = 371,342.94 × 89,704.20
  4. Step 4: Simplify right side
    247,430.76x = 33,311,021,358.35
  5. Step 5: Solve for x
    x = 33,311,021,358.35/247,430.76
  6. Step 6: Final answer
    x = 134,627.65

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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.