Home / 278,020.46-413,454.09-269,163.11

Finding the Fourth Proportional to 278,020.46, 413,454.09 and 269,163.11

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Solution

The fourth proportional to 278,020.46, 413,454.09 and 269,163.11 is: 400,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,020.46 : 413,454.09 = 269,163.11 : x
  2. Step 2: Convert to fraction form
    278,020.46/413,454.09 = 269,163.11/x
  3. Step 3: Cross multiply
    278,020.46x = 413,454.09 × 269,163.11
  4. Step 4: Simplify right side
    278,020.46x = 111,286,586,639.35
  5. Step 5: Solve for x
    x = 111,286,586,639.35/278,020.46
  6. Step 6: Final answer
    x = 400,282.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.