Home / 439,939.50-659,909.25-159,457.02

Finding the Fourth Proportional to 439,939.50, 659,909.25 and 159,457.02

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Solution

The fourth proportional to 439,939.50, 659,909.25 and 159,457.02 is: 239,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,939.50 : 659,909.25 = 159,457.02 : x
  2. Step 2: Convert to fraction form
    439,939.50/659,909.25 = 159,457.02/x
  3. Step 3: Cross multiply
    439,939.50x = 659,909.25 × 159,457.02
  4. Step 4: Simplify right side
    439,939.50x = 105,227,162,475.44
  5. Step 5: Solve for x
    x = 105,227,162,475.44/439,939.50
  6. Step 6: Final answer
    x = 239,185.53

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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.