Home / 327,981.47-491,803.31-150,336.32

Finding the Fourth Proportional to 327,981.47, 491,803.31 and 150,336.32

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Solution

The fourth proportional to 327,981.47, 491,803.31 and 150,336.32 is: 225,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,981.47 : 491,803.31 = 150,336.32 : x
  2. Step 2: Convert to fraction form
    327,981.47/491,803.31 = 150,336.32/x
  3. Step 3: Cross multiply
    327,981.47x = 491,803.31 × 150,336.32
  4. Step 4: Simplify right side
    327,981.47x = 73,935,897,706.04
  5. Step 5: Solve for x
    x = 73,935,897,706.04/327,981.47
  6. Step 6: Final answer
    x = 225,427.06

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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.