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Finding the Fourth Proportional to 655,422.78, 983,187.22 and 182,108.18

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Solution

The fourth proportional to 655,422.78, 983,187.22 and 182,108.18 is: 273,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,422.78 : 983,187.22 = 182,108.18 : x
  2. Step 2: Convert to fraction form
    655,422.78/983,187.22 = 182,108.18/x
  3. Step 3: Cross multiply
    655,422.78x = 983,187.22 × 182,108.18
  4. Step 4: Simplify right side
    655,422.78x = 179,046,435,233.46
  5. Step 5: Solve for x
    x = 179,046,435,233.46/655,422.78
  6. Step 6: Final answer
    x = 273,177.01

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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.