Home / 443,293.26-664,747.53-243,553.74

Finding the Fourth Proportional to 443,293.26, 664,747.53 and 243,553.74

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Solution

The fourth proportional to 443,293.26, 664,747.53 and 243,553.74 is: 365,224.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,293.26 : 664,747.53 = 243,553.74 : x
  2. Step 2: Convert to fraction form
    443,293.26/664,747.53 = 243,553.74/x
  3. Step 3: Cross multiply
    443,293.26x = 664,747.53 × 243,553.74
  4. Step 4: Simplify right side
    443,293.26x = 161,901,747,087.26
  5. Step 5: Solve for x
    x = 161,901,747,087.26/443,293.26
  6. Step 6: Final answer
    x = 365,224.92

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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.