Home / 255,449.43-352,520.31-148,081.82

Finding the Fourth Proportional to 255,449.43, 352,520.31 and 148,081.82

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Solution

The fourth proportional to 255,449.43, 352,520.31 and 148,081.82 is: 204,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,449.43 : 352,520.31 = 148,081.82 : x
  2. Step 2: Convert to fraction form
    255,449.43/352,520.31 = 148,081.82/x
  3. Step 3: Cross multiply
    255,449.43x = 352,520.31 × 148,081.82
  4. Step 4: Simplify right side
    255,449.43x = 52,201,847,329.16
  5. Step 5: Solve for x
    x = 52,201,847,329.16/255,449.43
  6. Step 6: Final answer
    x = 204,352.96

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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.