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Finding the Fourth Proportional to 222,141.53, 306,236.47 and 158,368.61

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Solution

The fourth proportional to 222,141.53, 306,236.47 and 158,368.61 is: 218,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,141.53 : 306,236.47 = 158,368.61 : x
  2. Step 2: Convert to fraction form
    222,141.53/306,236.47 = 158,368.61/x
  3. Step 3: Cross multiply
    222,141.53x = 306,236.47 × 158,368.61
  4. Step 4: Simplify right side
    222,141.53x = 48,498,243,306.49
  5. Step 5: Solve for x
    x = 48,498,243,306.49/222,141.53
  6. Step 6: Final answer
    x = 218,321.37

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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.