Home / 382,017.43-527,198.28-229,080.52

Finding the Fourth Proportional to 382,017.43, 527,198.28 and 229,080.52

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Solution

The fourth proportional to 382,017.43, 527,198.28 and 229,080.52 is: 316,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,017.43 : 527,198.28 = 229,080.52 : x
  2. Step 2: Convert to fraction form
    382,017.43/527,198.28 = 229,080.52/x
  3. Step 3: Cross multiply
    382,017.43x = 527,198.28 × 229,080.52
  4. Step 4: Simplify right side
    382,017.43x = 120,770,854,807.51
  5. Step 5: Solve for x
    x = 120,770,854,807.51/382,017.43
  6. Step 6: Final answer
    x = 316,139.65

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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.