Home / 383,327.46-574,625.10-143,376.30

Finding the Fourth Proportional to 383,327.46, 574,625.10 and 143,376.30

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Solution

The fourth proportional to 383,327.46, 574,625.10 and 143,376.30 is: 214,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,327.46 : 574,625.10 = 143,376.30 : x
  2. Step 2: Convert to fraction form
    383,327.46/574,625.10 = 143,376.30/x
  3. Step 3: Cross multiply
    383,327.46x = 574,625.10 × 143,376.30
  4. Step 4: Simplify right side
    383,327.46x = 82,387,620,725.13
  5. Step 5: Solve for x
    x = 82,387,620,725.13/383,327.46
  6. Step 6: Final answer
    x = 214,927.52

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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.