Home / 276,651.32-379,290.40-271,607.55

Finding the Fourth Proportional to 276,651.32, 379,290.40 and 271,607.55

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Solution

The fourth proportional to 276,651.32, 379,290.40 and 271,607.55 is: 372,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,651.32 : 379,290.40 = 271,607.55 : x
  2. Step 2: Convert to fraction form
    276,651.32/379,290.40 = 271,607.55/x
  3. Step 3: Cross multiply
    276,651.32x = 379,290.40 × 271,607.55
  4. Step 4: Simplify right side
    276,651.32x = 103,018,134,181.16
  5. Step 5: Solve for x
    x = 103,018,134,181.16/276,651.32
  6. Step 6: Final answer
    x = 372,375.36

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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.