Home / 295,256.43-442,218.78-137,152.17

Finding the Fourth Proportional to 295,256.43, 442,218.78 and 137,152.17

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Solution

The fourth proportional to 295,256.43, 442,218.78 and 137,152.17 is: 205,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,256.43 : 442,218.78 = 137,152.17 : x
  2. Step 2: Convert to fraction form
    295,256.43/442,218.78 = 137,152.17/x
  3. Step 3: Cross multiply
    295,256.43x = 442,218.78 × 137,152.17
  4. Step 4: Simplify right side
    295,256.43x = 60,651,265,291.75
  5. Step 5: Solve for x
    x = 60,651,265,291.75/295,256.43
  6. Step 6: Final answer
    x = 205,418.95

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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.