Home / 268,987.16-371,077.66-173,524.61

Finding the Fourth Proportional to 268,987.16, 371,077.66 and 173,524.61

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Solution

The fourth proportional to 268,987.16, 371,077.66 and 173,524.61 is: 239,383.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,987.16 : 371,077.66 = 173,524.61 : x
  2. Step 2: Convert to fraction form
    268,987.16/371,077.66 = 173,524.61/x
  3. Step 3: Cross multiply
    268,987.16x = 371,077.66 × 173,524.61
  4. Step 4: Simplify right side
    268,987.16x = 64,391,106,231.21
  5. Step 5: Solve for x
    x = 64,391,106,231.21/268,987.16
  6. Step 6: Final answer
    x = 239,383.57

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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.