Home / 329,669.12-494,907.38-217,443.17

Finding the Fourth Proportional to 329,669.12, 494,907.38 and 217,443.17

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Solution

The fourth proportional to 329,669.12, 494,907.38 and 217,443.17 is: 326,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,669.12 : 494,907.38 = 217,443.17 : x
  2. Step 2: Convert to fraction form
    329,669.12/494,907.38 = 217,443.17/x
  3. Step 3: Cross multiply
    329,669.12x = 494,907.38 × 217,443.17
  4. Step 4: Simplify right side
    329,669.12x = 107,614,229,563.60
  5. Step 5: Solve for x
    x = 107,614,229,563.60/329,669.12
  6. Step 6: Final answer
    x = 326,431.03

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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.