Home / 240,265.40-331,590.92-138,294.48

Finding the Fourth Proportional to 240,265.40, 331,590.92 and 138,294.48

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Solution

The fourth proportional to 240,265.40, 331,590.92 and 138,294.48 is: 190,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,265.40 : 331,590.92 = 138,294.48 : x
  2. Step 2: Convert to fraction form
    240,265.40/331,590.92 = 138,294.48/x
  3. Step 3: Cross multiply
    240,265.40x = 331,590.92 × 138,294.48
  4. Step 4: Simplify right side
    240,265.40x = 45,857,193,854.12
  5. Step 5: Solve for x
    x = 45,857,193,854.12/240,265.40
  6. Step 6: Final answer
    x = 190,860.58

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1.5x scale

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.