Home / 392,017.18-541,007.31-230,979.55

Finding the Fourth Proportional to 392,017.18, 541,007.31 and 230,979.55

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Solution

The fourth proportional to 392,017.18, 541,007.31 and 230,979.55 is: 318,765.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,017.18 : 541,007.31 = 230,979.55 : x
  2. Step 2: Convert to fraction form
    392,017.18/541,007.31 = 230,979.55/x
  3. Step 3: Cross multiply
    392,017.18x = 541,007.31 × 230,979.55
  4. Step 4: Simplify right side
    392,017.18x = 124,961,625,010.51
  5. Step 5: Solve for x
    x = 124,961,625,010.51/392,017.18
  6. Step 6: Final answer
    x = 318,765.69

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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.