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Finding the Fourth Proportional to 373,251.88, 515,153.76 and 220,279.06

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Solution

The fourth proportional to 373,251.88, 515,153.76 and 220,279.06 is: 304,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,251.88 : 515,153.76 = 220,279.06 : x
  2. Step 2: Convert to fraction form
    373,251.88/515,153.76 = 220,279.06/x
  3. Step 3: Cross multiply
    373,251.88x = 515,153.76 × 220,279.06
  4. Step 4: Simplify right side
    373,251.88x = 113,477,586,008.27
  5. Step 5: Solve for x
    x = 113,477,586,008.27/373,251.88
  6. Step 6: Final answer
    x = 304,024.15

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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.