Home / 247,947.80-371,921.70-148,220.60

Finding the Fourth Proportional to 247,947.80, 371,921.70 and 148,220.60

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Solution

The fourth proportional to 247,947.80, 371,921.70 and 148,220.60 is: 222,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,947.80 : 371,921.70 = 148,220.60 : x
  2. Step 2: Convert to fraction form
    247,947.80/371,921.70 = 148,220.60/x
  3. Step 3: Cross multiply
    247,947.80x = 371,921.70 × 148,220.60
  4. Step 4: Simplify right side
    247,947.80x = 55,126,457,527.02
  5. Step 5: Solve for x
    x = 55,126,457,527.02/247,947.80
  6. Step 6: Final answer
    x = 222,330.90

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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.