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Finding the Fourth Proportional to 342,600.82, 472,680.44 and 199,333.19

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Solution

The fourth proportional to 342,600.82, 472,680.44 and 199,333.19 is: 275,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,600.82 : 472,680.44 = 199,333.19 : x
  2. Step 2: Convert to fraction form
    342,600.82/472,680.44 = 199,333.19/x
  3. Step 3: Cross multiply
    342,600.82x = 472,680.44 × 199,333.19
  4. Step 4: Simplify right side
    342,600.82x = 94,220,898,090.73
  5. Step 5: Solve for x
    x = 94,220,898,090.73/342,600.82
  6. Step 6: Final answer
    x = 275,016.56

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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.