Home / 492,832.12-739,327.90-193,150.12

Finding the Fourth Proportional to 492,832.12, 739,327.90 and 193,150.12

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Solution

The fourth proportional to 492,832.12, 739,327.90 and 193,150.12 is: 289,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,832.12 : 739,327.90 = 193,150.12 : x
  2. Step 2: Convert to fraction form
    492,832.12/739,327.90 = 193,150.12/x
  3. Step 3: Cross multiply
    492,832.12x = 739,327.90 × 193,150.12
  4. Step 4: Simplify right side
    492,832.12x = 142,801,272,604.35
  5. Step 5: Solve for x
    x = 142,801,272,604.35/492,832.12
  6. Step 6: Final answer
    x = 289,756.42

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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.