Home / 276,393.49-381,630.96-271,979.53

Finding the Fourth Proportional to 276,393.49, 381,630.96 and 271,979.53

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Solution

The fourth proportional to 276,393.49, 381,630.96 and 271,979.53 is: 375,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,393.49 : 381,630.96 = 271,979.53 : x
  2. Step 2: Convert to fraction form
    276,393.49/381,630.96 = 271,979.53/x
  3. Step 3: Cross multiply
    276,393.49x = 381,630.96 × 271,979.53
  4. Step 4: Simplify right side
    276,393.49x = 103,795,808,180.17
  5. Step 5: Solve for x
    x = 103,795,808,180.17/276,393.49
  6. Step 6: Final answer
    x = 375,536.37

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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.