Home / 222,342.72-307,350.08-198,381.18

Finding the Fourth Proportional to 222,342.72, 307,350.08 and 198,381.18

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Solution

The fourth proportional to 222,342.72, 307,350.08 and 198,381.18 is: 274,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,342.72 : 307,350.08 = 198,381.18 : x
  2. Step 2: Convert to fraction form
    222,342.72/307,350.08 = 198,381.18/x
  3. Step 3: Cross multiply
    222,342.72x = 307,350.08 × 198,381.18
  4. Step 4: Simplify right side
    222,342.72x = 60,972,469,854.81
  5. Step 5: Solve for x
    x = 60,972,469,854.81/222,342.72
  6. Step 6: Final answer
    x = 274,227.41

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1.5x scale

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.