Home / 443,814.88-612,475.32-269,387.05

Finding the Fourth Proportional to 443,814.88, 612,475.32 and 269,387.05

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Solution

The fourth proportional to 443,814.88, 612,475.32 and 269,387.05 is: 371,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,814.88 : 612,475.32 = 269,387.05 : x
  2. Step 2: Convert to fraction form
    443,814.88/612,475.32 = 269,387.05/x
  3. Step 3: Cross multiply
    443,814.88x = 612,475.32 × 269,387.05
  4. Step 4: Simplify right side
    443,814.88x = 164,992,919,652.61
  5. Step 5: Solve for x
    x = 164,992,919,652.61/443,814.88
  6. Step 6: Final answer
    x = 371,760.68

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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.