Home / 245,454.48-338,757.24-138,029.04

Finding the Fourth Proportional to 245,454.48, 338,757.24 and 138,029.04

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Solution

The fourth proportional to 245,454.48, 338,757.24 and 138,029.04 is: 190,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,454.48 : 338,757.24 = 138,029.04 : x
  2. Step 2: Convert to fraction form
    245,454.48/338,757.24 = 138,029.04/x
  3. Step 3: Cross multiply
    245,454.48x = 338,757.24 × 138,029.04
  4. Step 4: Simplify right side
    245,454.48x = 46,758,336,630.25
  5. Step 5: Solve for x
    x = 46,758,336,630.25/245,454.48
  6. Step 6: Final answer
    x = 190,496.98

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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.