Home / 268,888.27-403,581.78-135,861.95

Finding the Fourth Proportional to 268,888.27, 403,581.78 and 135,861.95

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Solution

The fourth proportional to 268,888.27, 403,581.78 and 135,861.95 is: 203,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,888.27 : 403,581.78 = 135,861.95 : x
  2. Step 2: Convert to fraction form
    268,888.27/403,581.78 = 135,861.95/x
  3. Step 3: Cross multiply
    268,888.27x = 403,581.78 × 135,861.95
  4. Step 4: Simplify right side
    268,888.27x = 54,831,405,597.36
  5. Step 5: Solve for x
    x = 54,831,405,597.36/268,888.27
  6. Step 6: Final answer
    x = 203,918.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.