Home / 439,859.35-659,657.40-229,382.47

Finding the Fourth Proportional to 439,859.35, 659,657.40 and 229,382.47

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Solution

The fourth proportional to 439,859.35, 659,657.40 and 229,382.47 is: 344,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,859.35 : 659,657.40 = 229,382.47 : x
  2. Step 2: Convert to fraction form
    439,859.35/659,657.40 = 229,382.47/x
  3. Step 3: Cross multiply
    439,859.35x = 659,657.40 × 229,382.47
  4. Step 4: Simplify right side
    439,859.35x = 151,313,843,765.78
  5. Step 5: Solve for x
    x = 151,313,843,765.78/439,859.35
  6. Step 6: Final answer
    x = 344,005.06

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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.