Home / 330,036.50-494,975.48-152,372.81

Finding the Fourth Proportional to 330,036.50, 494,975.48 and 152,372.81

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Solution

The fourth proportional to 330,036.50, 494,975.48 and 152,372.81 is: 228,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,036.50 : 494,975.48 = 152,372.81 : x
  2. Step 2: Convert to fraction form
    330,036.50/494,975.48 = 152,372.81/x
  3. Step 3: Cross multiply
    330,036.50x = 494,975.48 × 152,372.81
  4. Step 4: Simplify right side
    330,036.50x = 75,420,801,531.96
  5. Step 5: Solve for x
    x = 75,420,801,531.96/330,036.50
  6. Step 6: Final answer
    x = 228,522.61

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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.