Home / 198,040.89-296,569.22-138,598.41

Finding the Fourth Proportional to 198,040.89, 296,569.22 and 138,598.41

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Solution

The fourth proportional to 198,040.89, 296,569.22 and 138,598.41 is: 207,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,040.89 : 296,569.22 = 138,598.41 : x
  2. Step 2: Convert to fraction form
    198,040.89/296,569.22 = 138,598.41/x
  3. Step 3: Cross multiply
    198,040.89x = 296,569.22 × 138,598.41
  4. Step 4: Simplify right side
    198,040.89x = 41,104,021,653.95
  5. Step 5: Solve for x
    x = 41,104,021,653.95/198,040.89
  6. Step 6: Final answer
    x = 207,553.21

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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.