Home / 277,129.49-382,438.94-149,805.07

Finding the Fourth Proportional to 277,129.49, 382,438.94 and 149,805.07

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Solution

The fourth proportional to 277,129.49, 382,438.94 and 149,805.07 is: 206,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,129.49 : 382,438.94 = 149,805.07 : x
  2. Step 2: Convert to fraction form
    277,129.49/382,438.94 = 149,805.07/x
  3. Step 3: Cross multiply
    277,129.49x = 382,438.94 × 149,805.07
  4. Step 4: Simplify right side
    277,129.49x = 57,291,290,472.30
  5. Step 5: Solve for x
    x = 57,291,290,472.30/277,129.49
  6. Step 6: Final answer
    x = 206,731.13

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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.