Home / 277,147.05-382,463.49-149,822.64

Finding the Fourth Proportional to 277,147.05, 382,463.49 and 149,822.64

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Solution

The fourth proportional to 277,147.05, 382,463.49 and 149,822.64 is: 206,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,147.05 : 382,463.49 = 149,822.64 : x
  2. Step 2: Convert to fraction form
    277,147.05/382,463.49 = 149,822.64/x
  3. Step 3: Cross multiply
    277,147.05x = 382,463.49 × 149,822.64
  4. Step 4: Simplify right side
    277,147.05x = 57,301,689,775.41
  5. Step 5: Solve for x
    x = 57,301,689,775.41/277,147.05
  6. Step 6: Final answer
    x = 206,755.55

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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.