Home / 292,628.31-438,910.56-198,463.38

Finding the Fourth Proportional to 292,628.31, 438,910.56 and 198,463.38

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Solution

The fourth proportional to 292,628.31, 438,910.56 and 198,463.38 is: 297,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,628.31 : 438,910.56 = 198,463.38 : x
  2. Step 2: Convert to fraction form
    292,628.31/438,910.56 = 198,463.38/x
  3. Step 3: Cross multiply
    292,628.31x = 438,910.56 × 198,463.38
  4. Step 4: Simplify right side
    292,628.31x = 87,107,673,255.29
  5. Step 5: Solve for x
    x = 87,107,673,255.29/292,628.31
  6. Step 6: Final answer
    x = 297,673.43

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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.