Home / 399,273.24-550,989.81-227,187.45

Finding the Fourth Proportional to 399,273.24, 550,989.81 and 227,187.45

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Solution

The fourth proportional to 399,273.24, 550,989.81 and 227,187.45 is: 313,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,273.24 : 550,989.81 = 227,187.45 : x
  2. Step 2: Convert to fraction form
    399,273.24/550,989.81 = 227,187.45/x
  3. Step 3: Cross multiply
    399,273.24x = 550,989.81 × 227,187.45
  4. Step 4: Simplify right side
    399,273.24x = 125,177,969,909.89
  5. Step 5: Solve for x
    x = 125,177,969,909.89/399,273.24
  6. Step 6: Final answer
    x = 313,514.55

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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.