Home / 272,755.38-376,436.74-165,311.72

Finding the Fourth Proportional to 272,755.38, 376,436.74 and 165,311.72

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Solution

The fourth proportional to 272,755.38, 376,436.74 and 165,311.72 is: 228,150.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,755.38 : 376,436.74 = 165,311.72 : x
  2. Step 2: Convert to fraction form
    272,755.38/376,436.74 = 165,311.72/x
  3. Step 3: Cross multiply
    272,755.38x = 376,436.74 × 165,311.72
  4. Step 4: Simplify right side
    272,755.38x = 62,229,404,960.59
  5. Step 5: Solve for x
    x = 62,229,404,960.59/272,755.38
  6. Step 6: Final answer
    x = 228,150.97

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1.5x scale

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.