Home / 330,039.50-494,979.98-152,375.81

Finding the Fourth Proportional to 330,039.50, 494,979.98 and 152,375.81

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Solution

The fourth proportional to 330,039.50, 494,979.98 and 152,375.81 is: 228,527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,039.50 : 494,979.98 = 152,375.81 : x
  2. Step 2: Convert to fraction form
    330,039.50/494,979.98 = 152,375.81/x
  3. Step 3: Cross multiply
    330,039.50x = 494,979.98 × 152,375.81
  4. Step 4: Simplify right side
    330,039.50x = 75,422,972,149.50
  5. Step 5: Solve for x
    x = 75,422,972,149.50/330,039.50
  6. Step 6: Final answer
    x = 228,527.11

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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.