Home / 269,282.20-403,922.07-69,585.61

Finding the Fourth Proportional to 269,282.20, 403,922.07 and 69,585.61

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Solution

The fourth proportional to 269,282.20, 403,922.07 and 69,585.61 is: 104,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,282.20 : 403,922.07 = 69,585.61 : x
  2. Step 2: Convert to fraction form
    269,282.20/403,922.07 = 69,585.61/x
  3. Step 3: Cross multiply
    269,282.20x = 403,922.07 × 69,585.61
  4. Step 4: Simplify right side
    269,282.20x = 28,107,163,633.41
  5. Step 5: Solve for x
    x = 28,107,163,633.41/269,282.20
  6. Step 6: Final answer
    x = 104,378.10

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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.