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Finding the Fourth Proportional to 329,922.33, 495,233.45 and 292,216.38

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Solution

The fourth proportional to 329,922.33, 495,233.45 and 292,216.38 is: 438,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,922.33 : 495,233.45 = 292,216.38 : x
  2. Step 2: Convert to fraction form
    329,922.33/495,233.45 = 292,216.38/x
  3. Step 3: Cross multiply
    329,922.33x = 495,233.45 × 292,216.38
  4. Step 4: Simplify right side
    329,922.33x = 144,715,326,013.91
  5. Step 5: Solve for x
    x = 144,715,326,013.91/329,922.33
  6. Step 6: Final answer
    x = 438,634.53

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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.