Home / 439,905.24-659,857.62-159,422.04

Finding the Fourth Proportional to 439,905.24, 659,857.62 and 159,422.04

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Solution

The fourth proportional to 439,905.24, 659,857.62 and 159,422.04 is: 239,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,905.24 : 659,857.62 = 159,422.04 : x
  2. Step 2: Convert to fraction form
    439,905.24/659,857.62 = 159,422.04/x
  3. Step 3: Cross multiply
    439,905.24x = 659,857.62 × 159,422.04
  4. Step 4: Simplify right side
    439,905.24x = 105,195,847,889.95
  5. Step 5: Solve for x
    x = 105,195,847,889.95/439,905.24
  6. Step 6: Final answer
    x = 239,132.97

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1.5x scale

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.