Home / 231,278.73-347,049.33-91,135.77

Finding the Fourth Proportional to 231,278.73, 347,049.33 and 91,135.77

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Solution

The fourth proportional to 231,278.73, 347,049.33 and 91,135.77 is: 136,755.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,278.73 : 347,049.33 = 91,135.77 : x
  2. Step 2: Convert to fraction form
    231,278.73/347,049.33 = 91,135.77/x
  3. Step 3: Cross multiply
    231,278.73x = 347,049.33 × 91,135.77
  4. Step 4: Simplify right side
    231,278.73x = 31,628,606,274.34
  5. Step 5: Solve for x
    x = 31,628,606,274.34/231,278.73
  6. Step 6: Final answer
    x = 136,755.36

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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.