Home / 317,589.45-438,282.21-179,757.42

Finding the Fourth Proportional to 317,589.45, 438,282.21 and 179,757.42

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Solution

The fourth proportional to 317,589.45, 438,282.21 and 179,757.42 is: 248,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,589.45 : 438,282.21 = 179,757.42 : x
  2. Step 2: Convert to fraction form
    317,589.45/438,282.21 = 179,757.42/x
  3. Step 3: Cross multiply
    317,589.45x = 438,282.21 × 179,757.42
  4. Step 4: Simplify right side
    317,589.45x = 78,784,479,975.59
  5. Step 5: Solve for x
    x = 78,784,479,975.59/317,589.45
  6. Step 6: Final answer
    x = 248,070.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.