Home / 329,921.33-495,231.95-292,215.38

Finding the Fourth Proportional to 329,921.33, 495,231.95 and 292,215.38

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Solution

The fourth proportional to 329,921.33, 495,231.95 and 292,215.38 is: 438,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,921.33 : 495,231.95 = 292,215.38 : x
  2. Step 2: Convert to fraction form
    329,921.33/495,231.95 = 292,215.38/x
  3. Step 3: Cross multiply
    329,921.33x = 495,231.95 × 292,215.38
  4. Step 4: Simplify right side
    329,921.33x = 144,714,389,981.23
  5. Step 5: Solve for x
    x = 144,714,389,981.23/329,921.33
  6. Step 6: Final answer
    x = 438,633.02

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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.