Home / 499,181.82-748,232.73-199,332.78

Finding the Fourth Proportional to 499,181.82, 748,232.73 and 199,332.78

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Solution

The fourth proportional to 499,181.82, 748,232.73 and 199,332.78 is: 298,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,181.82 : 748,232.73 = 199,332.78 : x
  2. Step 2: Convert to fraction form
    499,181.82/748,232.73 = 199,332.78/x
  3. Step 3: Cross multiply
    499,181.82x = 748,232.73 × 199,332.78
  4. Step 4: Simplify right side
    499,181.82x = 149,147,310,157.89
  5. Step 5: Solve for x
    x = 149,147,310,157.89/499,181.82
  6. Step 6: Final answer
    x = 298,783.54

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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.