Home / 397,635.06-548,732.13-236,486.58

Finding the Fourth Proportional to 397,635.06, 548,732.13 and 236,486.58

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Solution

The fourth proportional to 397,635.06, 548,732.13 and 236,486.58 is: 326,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,635.06 : 548,732.13 = 236,486.58 : x
  2. Step 2: Convert to fraction form
    397,635.06/548,732.13 = 236,486.58/x
  3. Step 3: Cross multiply
    397,635.06x = 548,732.13 × 236,486.58
  4. Step 4: Simplify right side
    397,635.06x = 129,767,784,759.82
  5. Step 5: Solve for x
    x = 129,767,784,759.82/397,635.06
  6. Step 6: Final answer
    x = 326,348.95

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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.