Home / 485,231.22-669,610.17-270,366.66

Finding the Fourth Proportional to 485,231.22, 669,610.17 and 270,366.66

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Solution

The fourth proportional to 485,231.22, 669,610.17 and 270,366.66 is: 373,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,231.22 : 669,610.17 = 270,366.66 : x
  2. Step 2: Convert to fraction form
    485,231.22/669,610.17 = 270,366.66/x
  3. Step 3: Cross multiply
    485,231.22x = 669,610.17 × 270,366.66
  4. Step 4: Simplify right side
    485,231.22x = 181,040,265,164.93
  5. Step 5: Solve for x
    x = 181,040,265,164.93/485,231.22
  6. Step 6: Final answer
    x = 373,101.02

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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.