Home / 373,680.30-515,663.96-220,767.75

Finding the Fourth Proportional to 373,680.30, 515,663.96 and 220,767.75

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Solution

The fourth proportional to 373,680.30, 515,663.96 and 220,767.75 is: 304,650.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,680.30 : 515,663.96 = 220,767.75 : x
  2. Step 2: Convert to fraction form
    373,680.30/515,663.96 = 220,767.75/x
  3. Step 3: Cross multiply
    373,680.30x = 515,663.96 × 220,767.75
  4. Step 4: Simplify right side
    373,680.30x = 113,841,971,101.45
  5. Step 5: Solve for x
    x = 113,841,971,101.45/373,680.30
  6. Step 6: Final answer
    x = 304,650.72

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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.