Home / 268,307.20-402,456.66-68,625.82

Finding the Fourth Proportional to 268,307.20, 402,456.66 and 68,625.82

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Solution

The fourth proportional to 268,307.20, 402,456.66 and 68,625.82 is: 102,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,307.20 : 402,456.66 = 68,625.82 : x
  2. Step 2: Convert to fraction form
    268,307.20/402,456.66 = 68,625.82/x
  3. Step 3: Cross multiply
    268,307.20x = 402,456.66 × 68,625.82
  4. Step 4: Simplify right side
    268,307.20x = 27,618,918,306.96
  5. Step 5: Solve for x
    x = 27,618,918,306.96/268,307.20
  6. Step 6: Final answer
    x = 102,937.67

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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.