Home / 268,272.30-402,408.45-264,773.10

Finding the Fourth Proportional to 268,272.30, 402,408.45 and 264,773.10

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Solution

The fourth proportional to 268,272.30, 402,408.45 and 264,773.10 is: 397,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272.30 : 402,408.45 = 264,773.10 : x
  2. Step 2: Convert to fraction form
    268,272.30/402,408.45 = 264,773.10/x
  3. Step 3: Cross multiply
    268,272.30x = 402,408.45 × 264,773.10
  4. Step 4: Simplify right side
    268,272.30x = 106,546,932,772.70
  5. Step 5: Solve for x
    x = 106,546,932,772.70/268,272.30
  6. Step 6: Final answer
    x = 397,159.65

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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.