Home / 274,961.32-379,446.11-154,102.57

Finding the Fourth Proportional to 274,961.32, 379,446.11 and 154,102.57

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Solution

The fourth proportional to 274,961.32, 379,446.11 and 154,102.57 is: 212,661.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,961.32 : 379,446.11 = 154,102.57 : x
  2. Step 2: Convert to fraction form
    274,961.32/379,446.11 = 154,102.57/x
  3. Step 3: Cross multiply
    274,961.32x = 379,446.11 × 154,102.57
  4. Step 4: Simplify right side
    274,961.32x = 58,473,621,587.07
  5. Step 5: Solve for x
    x = 58,473,621,587.07/274,961.32
  6. Step 6: Final answer
    x = 212,661.26

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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.