Home / 327,644.28-491,466.58-90,987.32

Finding the Fourth Proportional to 327,644.28, 491,466.58 and 90,987.32

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Solution

The fourth proportional to 327,644.28, 491,466.58 and 90,987.32 is: 136,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,644.28 : 491,466.58 = 90,987.32 : x
  2. Step 2: Convert to fraction form
    327,644.28/491,466.58 = 90,987.32/x
  3. Step 3: Cross multiply
    327,644.28x = 491,466.58 × 90,987.32
  4. Step 4: Simplify right side
    327,644.28x = 44,717,226,983.77
  5. Step 5: Solve for x
    x = 44,717,226,983.77/327,644.28
  6. Step 6: Final answer
    x = 136,481.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.