Home / 399,275.66-550,993.19-227,189.91

Finding the Fourth Proportional to 399,275.66, 550,993.19 and 227,189.91

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Solution

The fourth proportional to 399,275.66, 550,993.19 and 227,189.91 is: 313,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,275.66 : 550,993.19 = 227,189.91 : x
  2. Step 2: Convert to fraction form
    399,275.66/550,993.19 = 227,189.91/x
  3. Step 3: Cross multiply
    399,275.66x = 550,993.19 × 227,189.91
  4. Step 4: Simplify right side
    399,275.66x = 125,180,094,176.99
  5. Step 5: Solve for x
    x = 125,180,094,176.99/399,275.66
  6. Step 6: Final answer
    x = 313,517.97

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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.