Home / 439,061.28-658,110.84-225,840.42

Finding the Fourth Proportional to 439,061.28, 658,110.84 and 225,840.42

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Solution

The fourth proportional to 439,061.28, 658,110.84 and 225,840.42 is: 338,513.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,061.28 : 658,110.84 = 225,840.42 : x
  2. Step 2: Convert to fraction form
    439,061.28/658,110.84 = 225,840.42/x
  3. Step 3: Cross multiply
    439,061.28x = 658,110.84 × 225,840.42
  4. Step 4: Simplify right side
    439,061.28x = 148,628,028,512.15
  5. Step 5: Solve for x
    x = 148,628,028,512.15/439,061.28
  6. Step 6: Final answer
    x = 338,513.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.