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Finding the Fourth Proportional to 201,250, 277,560.20 and 124,715.92

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Solution

The fourth proportional to 201,250, 277,560.20 and 124,715.92 is: 172,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,250 : 277,560.20 = 124,715.92 : x
  2. Step 2: Convert to fraction form
    201,250/277,560.20 = 124,715.92/x
  3. Step 3: Cross multiply
    201,250x = 277,560.20 × 124,715.92
  4. Step 4: Simplify right side
    201,250x = 34,616,175,698.38
  5. Step 5: Solve for x
    x = 34,616,175,698.38/201,250
  6. Step 6: Final answer
    x = 172,005.84

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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.