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Finding the Fourth Proportional to 247,480.52, 371,220.76 and 89,709.12

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Solution

The fourth proportional to 247,480.52, 371,220.76 and 89,709.12 is: 134,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,480.52 : 371,220.76 = 89,709.12 : x
  2. Step 2: Convert to fraction form
    247,480.52/371,220.76 = 89,709.12/x
  3. Step 3: Cross multiply
    247,480.52x = 371,220.76 × 89,709.12
  4. Step 4: Simplify right side
    247,480.52x = 33,301,887,705.33
  5. Step 5: Solve for x
    x = 33,301,887,705.33/247,480.52
  6. Step 6: Final answer
    x = 134,563.67

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1.5x scale

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.