Home / 436,983.66-655,540.02-223,872.12

Finding the Fourth Proportional to 436,983.66, 655,540.02 and 223,872.12

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Solution

The fourth proportional to 436,983.66, 655,540.02 and 223,872.12 is: 335,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,983.66 : 655,540.02 = 223,872.12 : x
  2. Step 2: Convert to fraction form
    436,983.66/655,540.02 = 223,872.12/x
  3. Step 3: Cross multiply
    436,983.66x = 655,540.02 × 223,872.12
  4. Step 4: Simplify right side
    436,983.66x = 146,757,134,022.24
  5. Step 5: Solve for x
    x = 146,757,134,022.24/436,983.66
  6. Step 6: Final answer
    x = 335,841.24

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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.