Home / 269,079.09-371,355.40-200,977.96

Finding the Fourth Proportional to 269,079.09, 371,355.40 and 200,977.96

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Solution

The fourth proportional to 269,079.09, 371,355.40 and 200,977.96 is: 277,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,079.09 : 371,355.40 = 200,977.96 : x
  2. Step 2: Convert to fraction form
    269,079.09/371,355.40 = 200,977.96/x
  3. Step 3: Cross multiply
    269,079.09x = 371,355.40 × 200,977.96
  4. Step 4: Simplify right side
    269,079.09x = 74,634,250,726.98
  5. Step 5: Solve for x
    x = 74,634,250,726.98/269,079.09
  6. Step 6: Final answer
    x = 277,369.20

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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.