Home / 329,857.25-494,787.08-140,290.52

Finding the Fourth Proportional to 329,857.25, 494,787.08 and 140,290.52

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Solution

The fourth proportional to 329,857.25, 494,787.08 and 140,290.52 is: 210,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,857.25 : 494,787.08 = 140,290.52 : x
  2. Step 2: Convert to fraction form
    329,857.25/494,787.08 = 140,290.52/x
  3. Step 3: Cross multiply
    329,857.25x = 494,787.08 × 140,290.52
  4. Step 4: Simplify right side
    329,857.25x = 69,413,934,619.27
  5. Step 5: Solve for x
    x = 69,413,934,619.27/329,857.25
  6. Step 6: Final answer
    x = 210,436.29

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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.