Home / 255,348.57-382,961.33-113,115.21

Finding the Fourth Proportional to 255,348.57, 382,961.33 and 113,115.21

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Solution

The fourth proportional to 255,348.57, 382,961.33 and 113,115.21 is: 169,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,348.57 : 382,961.33 = 113,115.21 : x
  2. Step 2: Convert to fraction form
    255,348.57/382,961.33 = 113,115.21/x
  3. Step 3: Cross multiply
    255,348.57x = 382,961.33 × 113,115.21
  4. Step 4: Simplify right side
    255,348.57x = 43,318,751,264.83
  5. Step 5: Solve for x
    x = 43,318,751,264.83/255,348.57
  6. Step 6: Final answer
    x = 169,645.56

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1.5x scale

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.