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Finding the Fourth Proportional to 422,906.49, 583,557.19 and 241,630.16

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Solution

The fourth proportional to 422,906.49, 583,557.19 and 241,630.16 is: 333,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,906.49 : 583,557.19 = 241,630.16 : x
  2. Step 2: Convert to fraction form
    422,906.49/583,557.19 = 241,630.16/x
  3. Step 3: Cross multiply
    422,906.49x = 583,557.19 × 241,630.16
  4. Step 4: Simplify right side
    422,906.49x = 141,005,013,062.91
  5. Step 5: Solve for x
    x = 141,005,013,062.91/422,906.49
  6. Step 6: Final answer
    x = 333,418.90

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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.