Home / 399,250.56-550,932.68-227,122.72

Finding the Fourth Proportional to 399,250.56, 550,932.68 and 227,122.72

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Solution

The fourth proportional to 399,250.56, 550,932.68 and 227,122.72 is: 313,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,250.56 : 550,932.68 = 227,122.72 : x
  2. Step 2: Convert to fraction form
    399,250.56/550,932.68 = 227,122.72/x
  3. Step 3: Cross multiply
    399,250.56x = 550,932.68 × 227,122.72
  4. Step 4: Simplify right side
    399,250.56x = 125,129,328,818.49
  5. Step 5: Solve for x
    x = 125,129,328,818.49/399,250.56
  6. Step 6: Final answer
    x = 313,410.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.