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Finding the Fourth Proportional to 222,351.53, 306,839.47 and 124,235.57

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Solution

The fourth proportional to 222,351.53, 306,839.47 and 124,235.57 is: 171,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,351.53 : 306,839.47 = 124,235.57 : x
  2. Step 2: Convert to fraction form
    222,351.53/306,839.47 = 124,235.57/x
  3. Step 3: Cross multiply
    222,351.53x = 306,839.47 × 124,235.57
  4. Step 4: Simplify right side
    222,351.53x = 38,120,374,609.16
  5. Step 5: Solve for x
    x = 38,120,374,609.16/222,351.53
  6. Step 6: Final answer
    x = 171,441.92

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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.