Home / 268,217.55-402,325.18-68,537.61

Finding the Fourth Proportional to 268,217.55, 402,325.18 and 68,537.61

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Solution

The fourth proportional to 268,217.55, 402,325.18 and 68,537.61 is: 102,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,217.55 : 402,325.18 = 68,537.61 : x
  2. Step 2: Convert to fraction form
    268,217.55/402,325.18 = 68,537.61/x
  3. Step 3: Cross multiply
    268,217.55x = 402,325.18 × 68,537.61
  4. Step 4: Simplify right side
    268,217.55x = 27,574,406,280.02
  5. Step 5: Solve for x
    x = 27,574,406,280.02/268,217.55
  6. Step 6: Final answer
    x = 102,806.12

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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.