Home / 329,786.12-494,621.82-152,278.04

Finding the Fourth Proportional to 329,786.12, 494,621.82 and 152,278.04

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Solution

The fourth proportional to 329,786.12, 494,621.82 and 152,278.04 is: 228,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,786.12 : 494,621.82 = 152,278.04 : x
  2. Step 2: Convert to fraction form
    329,786.12/494,621.82 = 152,278.04/x
  3. Step 3: Cross multiply
    329,786.12x = 494,621.82 × 152,278.04
  4. Step 4: Simplify right side
    329,786.12x = 75,320,041,290.83
  5. Step 5: Solve for x
    x = 75,320,041,290.83/329,786.12
  6. Step 6: Final answer
    x = 228,390.57

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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.