Home / 499,198.08-688,883.22-272,845.20

Finding the Fourth Proportional to 499,198.08, 688,883.22 and 272,845.20

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Solution

The fourth proportional to 499,198.08, 688,883.22 and 272,845.20 is: 376,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,198.08 : 688,883.22 = 272,845.20 : x
  2. Step 2: Convert to fraction form
    499,198.08/688,883.22 = 272,845.20/x
  3. Step 3: Cross multiply
    499,198.08x = 688,883.22 × 272,845.20
  4. Step 4: Simplify right side
    499,198.08x = 187,958,479,937.54
  5. Step 5: Solve for x
    x = 187,958,479,937.54/499,198.08
  6. Step 6: Final answer
    x = 376,520.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.