Home / 439,932.24-659,898.12-159,449.04

Finding the Fourth Proportional to 439,932.24, 659,898.12 and 159,449.04

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Solution

The fourth proportional to 439,932.24, 659,898.12 and 159,449.04 is: 239,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,932.24 : 659,898.12 = 159,449.04 : x
  2. Step 2: Convert to fraction form
    439,932.24/659,898.12 = 159,449.04/x
  3. Step 3: Cross multiply
    439,932.24x = 659,898.12 × 159,449.04
  4. Step 4: Simplify right side
    439,932.24x = 105,220,121,731.81
  5. Step 5: Solve for x
    x = 105,220,121,731.81/439,932.24
  6. Step 6: Final answer
    x = 239,173.47

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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.