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Finding the Fourth Proportional to 322,310.88, 483,466.32 and 122,585.13

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Solution

The fourth proportional to 322,310.88, 483,466.32 and 122,585.13 is: 183,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,310.88 : 483,466.32 = 122,585.13 : x
  2. Step 2: Convert to fraction form
    322,310.88/483,466.32 = 122,585.13/x
  3. Step 3: Cross multiply
    322,310.88x = 483,466.32 × 122,585.13
  4. Step 4: Simplify right side
    322,310.88x = 59,265,781,687.82
  5. Step 5: Solve for x
    x = 59,265,781,687.82/322,310.88
  6. Step 6: Final answer
    x = 183,877.70

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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.