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Finding the Fourth Proportional to 194,596.56, 268,558.44 and 108,582.60

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Solution

The fourth proportional to 194,596.56, 268,558.44 and 108,582.60 is: 149,852.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,596.56 : 268,558.44 = 108,582.60 : x
  2. Step 2: Convert to fraction form
    194,596.56/268,558.44 = 108,582.60/x
  3. Step 3: Cross multiply
    194,596.56x = 268,558.44 × 108,582.60
  4. Step 4: Simplify right side
    194,596.56x = 29,160,773,667.14
  5. Step 5: Solve for x
    x = 29,160,773,667.14/194,596.56
  6. Step 6: Final answer
    x = 149,852.46

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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.