Home / 274,915.44-379,380.06-154,056.24

Finding the Fourth Proportional to 274,915.44, 379,380.06 and 154,056.24

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Solution

The fourth proportional to 274,915.44, 379,380.06 and 154,056.24 is: 212,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,915.44 : 379,380.06 = 154,056.24 : x
  2. Step 2: Convert to fraction form
    274,915.44/379,380.06 = 154,056.24/x
  3. Step 3: Cross multiply
    274,915.44x = 379,380.06 × 154,056.24
  4. Step 4: Simplify right side
    274,915.44x = 58,445,865,574.57
  5. Step 5: Solve for x
    x = 58,445,865,574.57/274,915.44
  6. Step 6: Final answer
    x = 212,595.79

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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.