Home / 327,521.21-491,282.04-90,864.11

Finding the Fourth Proportional to 327,521.21, 491,282.04 and 90,864.11

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Solution

The fourth proportional to 327,521.21, 491,282.04 and 90,864.11 is: 136,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,521.21 : 491,282.04 = 90,864.11 : x
  2. Step 2: Convert to fraction form
    327,521.21/491,282.04 = 90,864.11/x
  3. Step 3: Cross multiply
    327,521.21x = 491,282.04 × 90,864.11
  4. Step 4: Simplify right side
    327,521.21x = 44,639,902,867.17
  5. Step 5: Solve for x
    x = 44,639,902,867.17/327,521.21
  6. Step 6: Final answer
    x = 136,296.22

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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.