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Finding the Fourth Proportional to 468,974.03, 647,184.74 and 254,114.06

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Solution

The fourth proportional to 468,974.03, 647,184.74 and 254,114.06 is: 350,677.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,974.03 : 647,184.74 = 254,114.06 : x
  2. Step 2: Convert to fraction form
    468,974.03/647,184.74 = 254,114.06/x
  3. Step 3: Cross multiply
    468,974.03x = 647,184.74 × 254,114.06
  4. Step 4: Simplify right side
    468,974.03x = 164,458,737,344.95
  5. Step 5: Solve for x
    x = 164,458,737,344.95/468,974.03
  6. Step 6: Final answer
    x = 350,677.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.