Home / 231,947.70-347,921.55-149,003.70

Finding the Fourth Proportional to 231,947.70, 347,921.55 and 149,003.70

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Solution

The fourth proportional to 231,947.70, 347,921.55 and 149,003.70 is: 223,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,947.70 : 347,921.55 = 149,003.70 : x
  2. Step 2: Convert to fraction form
    231,947.70/347,921.55 = 149,003.70/x
  3. Step 3: Cross multiply
    231,947.70x = 347,921.55 × 149,003.70
  4. Step 4: Simplify right side
    231,947.70x = 51,841,598,259.74
  5. Step 5: Solve for x
    x = 51,841,598,259.74/231,947.70
  6. Step 6: Final answer
    x = 223,505.55

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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.