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Finding the Fourth Proportional to 269,275.68, 404,438.40 and 219,392.64

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Solution

The fourth proportional to 269,275.68, 404,438.40 and 219,392.64 is: 329,516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,275.68 : 404,438.40 = 219,392.64 : x
  2. Step 2: Convert to fraction form
    269,275.68/404,438.40 = 219,392.64/x
  3. Step 3: Cross multiply
    269,275.68x = 404,438.40 × 219,392.64
  4. Step 4: Simplify right side
    269,275.68x = 88,730,808,293.38
  5. Step 5: Solve for x
    x = 88,730,808,293.38/269,275.68
  6. Step 6: Final answer
    x = 329,516.61

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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.