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Finding the Fourth Proportional to 338,506.31, 504,733.13 and 329,206.09

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Solution

The fourth proportional to 338,506.31, 504,733.13 and 329,206.09 is: 490,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,506.31 : 504,733.13 = 329,206.09 : x
  2. Step 2: Convert to fraction form
    338,506.31/504,733.13 = 329,206.09/x
  3. Step 3: Cross multiply
    338,506.31x = 504,733.13 × 329,206.09
  4. Step 4: Simplify right side
    338,506.31x = 166,161,217,312.90
  5. Step 5: Solve for x
    x = 166,161,217,312.90/338,506.31
  6. Step 6: Final answer
    x = 490,865.95

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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.