Home / 380,952.35-571,542.74-114,721.55

Finding the Fourth Proportional to 380,952.35, 571,542.74 and 114,721.55

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Solution

The fourth proportional to 380,952.35, 571,542.74 and 114,721.55 is: 172,116.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,952.35 : 571,542.74 = 114,721.55 : x
  2. Step 2: Convert to fraction form
    380,952.35/571,542.74 = 114,721.55/x
  3. Step 3: Cross multiply
    380,952.35x = 571,542.74 × 114,721.55
  4. Step 4: Simplify right side
    380,952.35x = 65,568,268,450.44
  5. Step 5: Solve for x
    x = 65,568,268,450.44/380,952.35
  6. Step 6: Final answer
    x = 172,116.72

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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.