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Finding the Fourth Proportional to 268,280.82, 402,110.19 and 252,728.82

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Solution

The fourth proportional to 268,280.82, 402,110.19 and 252,728.82 is: 378,800.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,280.82 : 402,110.19 = 252,728.82 : x
  2. Step 2: Convert to fraction form
    268,280.82/402,110.19 = 252,728.82/x
  3. Step 3: Cross multiply
    268,280.82x = 402,110.19 × 252,728.82
  4. Step 4: Simplify right side
    268,280.82x = 101,624,833,828.68
  5. Step 5: Solve for x
    x = 101,624,833,828.68/268,280.82
  6. Step 6: Final answer
    x = 378,800.22

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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.