Home / 311,523.90-467,261.55-121,947.45

Finding the Fourth Proportional to 311,523.90, 467,261.55 and 121,947.45

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Solution

The fourth proportional to 311,523.90, 467,261.55 and 121,947.45 is: 182,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,523.90 : 467,261.55 = 121,947.45 : x
  2. Step 2: Convert to fraction form
    311,523.90/467,261.55 = 121,947.45/x
  3. Step 3: Cross multiply
    311,523.90x = 467,261.55 × 121,947.45
  4. Step 4: Simplify right side
    311,523.90x = 56,981,354,505.55
  5. Step 5: Solve for x
    x = 56,981,354,505.55/311,523.90
  6. Step 6: Final answer
    x = 182,911.66

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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.