Home / 349,254.18-482,028.75-206,049.42

Finding the Fourth Proportional to 349,254.18, 482,028.75 and 206,049.42

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Solution

The fourth proportional to 349,254.18, 482,028.75 and 206,049.42 is: 284,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,254.18 : 482,028.75 = 206,049.42 : x
  2. Step 2: Convert to fraction form
    349,254.18/482,028.75 = 206,049.42/x
  3. Step 3: Cross multiply
    349,254.18x = 482,028.75 × 206,049.42
  4. Step 4: Simplify right side
    349,254.18x = 99,321,744,360.83
  5. Step 5: Solve for x
    x = 99,321,744,360.83/349,254.18
  6. Step 6: Final answer
    x = 284,382.41

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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.