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Finding the Fourth Proportional to 422,906.55, 583,557.27 and 241,630.22

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Solution

The fourth proportional to 422,906.55, 583,557.27 and 241,630.22 is: 333,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,906.55 : 583,557.27 = 241,630.22 : x
  2. Step 2: Convert to fraction form
    422,906.55/583,557.27 = 241,630.22/x
  3. Step 3: Cross multiply
    422,906.55x = 583,557.27 × 241,630.22
  4. Step 4: Simplify right side
    422,906.55x = 141,005,072,085.48
  5. Step 5: Solve for x
    x = 141,005,072,085.48/422,906.55
  6. Step 6: Final answer
    x = 333,418.98

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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.