Home / 268,888.14-403,581.59-135,861.82

Finding the Fourth Proportional to 268,888.14, 403,581.59 and 135,861.82

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Solution

The fourth proportional to 268,888.14, 403,581.59 and 135,861.82 is: 203,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,888.14 : 403,581.59 = 135,861.82 : x
  2. Step 2: Convert to fraction form
    268,888.14/403,581.59 = 135,861.82/x
  3. Step 3: Cross multiply
    268,888.14x = 403,581.59 × 135,861.82
  4. Step 4: Simplify right side
    268,888.14x = 54,831,329,675.55
  5. Step 5: Solve for x
    x = 54,831,329,675.55/268,888.14
  6. Step 6: Final answer
    x = 203,918.73

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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.