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Finding the Fourth Proportional to 262,209.30, 393,411.15 and 252,489.30

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Solution

The fourth proportional to 262,209.30, 393,411.15 and 252,489.30 is: 378,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,209.30 : 393,411.15 = 252,489.30 : x
  2. Step 2: Convert to fraction form
    262,209.30/393,411.15 = 252,489.30/x
  3. Step 3: Cross multiply
    262,209.30x = 393,411.15 × 252,489.30
  4. Step 4: Simplify right side
    262,209.30x = 99,332,105,875.70
  5. Step 5: Solve for x
    x = 99,332,105,875.70/262,209.30
  6. Step 6: Final answer
    x = 378,827.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.