Home / 439,981.59-659,974.82-159,491.55

Finding the Fourth Proportional to 439,981.59, 659,974.82 and 159,491.55

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Solution

The fourth proportional to 439,981.59, 659,974.82 and 159,491.55 is: 239,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,981.59 : 659,974.82 = 159,491.55 : x
  2. Step 2: Convert to fraction form
    439,981.59/659,974.82 = 159,491.55/x
  3. Step 3: Cross multiply
    439,981.59x = 659,974.82 × 159,491.55
  4. Step 4: Simplify right side
    439,981.59x = 105,260,406,205.31
  5. Step 5: Solve for x
    x = 105,260,406,205.31/439,981.59
  6. Step 6: Final answer
    x = 239,238.21

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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.