Home / 276,719.29-379,381.79-271,674.74

Finding the Fourth Proportional to 276,719.29, 379,381.79 and 271,674.74

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Solution

The fourth proportional to 276,719.29, 379,381.79 and 271,674.74 is: 372,465.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,719.29 : 379,381.79 = 271,674.74 : x
  2. Step 2: Convert to fraction form
    276,719.29/379,381.79 = 271,674.74/x
  3. Step 3: Cross multiply
    276,719.29x = 379,381.79 × 271,674.74
  4. Step 4: Simplify right side
    276,719.29x = 103,068,450,786.63
  5. Step 5: Solve for x
    x = 103,068,450,786.63/276,719.29
  6. Step 6: Final answer
    x = 372,465.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.