Home / 382,961.85-574,445.90-130,299.76

Finding the Fourth Proportional to 382,961.85, 574,445.90 and 130,299.76

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Solution

The fourth proportional to 382,961.85, 574,445.90 and 130,299.76 is: 195,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,961.85 : 574,445.90 = 130,299.76 : x
  2. Step 2: Convert to fraction form
    382,961.85/574,445.90 = 130,299.76/x
  3. Step 3: Cross multiply
    382,961.85x = 574,445.90 × 130,299.76
  4. Step 4: Simplify right side
    382,961.85x = 74,850,162,902.98
  5. Step 5: Solve for x
    x = 74,850,162,902.98/382,961.85
  6. Step 6: Final answer
    x = 195,450.70

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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.