Home / 245,258.46-338,452.16-137,826.95

Finding the Fourth Proportional to 245,258.46, 338,452.16 and 137,826.95

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Solution

The fourth proportional to 245,258.46, 338,452.16 and 137,826.95 is: 190,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,258.46 : 338,452.16 = 137,826.95 : x
  2. Step 2: Convert to fraction form
    245,258.46/338,452.16 = 137,826.95/x
  3. Step 3: Cross multiply
    245,258.46x = 338,452.16 × 137,826.95
  4. Step 4: Simplify right side
    245,258.46x = 46,647,826,552.32
  5. Step 5: Solve for x
    x = 46,647,826,552.32/245,258.46
  6. Step 6: Final answer
    x = 190,198.64

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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.