Home / 254,550.66-381,986.76-142,304.52

Finding the Fourth Proportional to 254,550.66, 381,986.76 and 142,304.52

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Solution

The fourth proportional to 254,550.66, 381,986.76 and 142,304.52 is: 213,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,550.66 : 381,986.76 = 142,304.52 : x
  2. Step 2: Convert to fraction form
    254,550.66/381,986.76 = 142,304.52/x
  3. Step 3: Cross multiply
    254,550.66x = 381,986.76 × 142,304.52
  4. Step 4: Simplify right side
    254,550.66x = 54,358,442,528.16
  5. Step 5: Solve for x
    x = 54,358,442,528.16/254,550.66
  6. Step 6: Final answer
    x = 213,546.66

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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.