Home / 277,231.91-382,579.76-149,907.20

Finding the Fourth Proportional to 277,231.91, 382,579.76 and 149,907.20

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Solution

The fourth proportional to 277,231.91, 382,579.76 and 149,907.20 is: 206,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,231.91 : 382,579.76 = 149,907.20 : x
  2. Step 2: Convert to fraction form
    277,231.91/382,579.76 = 149,907.20/x
  3. Step 3: Cross multiply
    277,231.91x = 382,579.76 × 149,907.20
  4. Step 4: Simplify right side
    277,231.91x = 57,351,457,935.84
  5. Step 5: Solve for x
    x = 57,351,457,935.84/277,231.91
  6. Step 6: Final answer
    x = 206,871.78

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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.