Home / 277,185.82-382,516.40-149,861.42

Finding the Fourth Proportional to 277,185.82, 382,516.40 and 149,861.42

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Solution

The fourth proportional to 277,185.82, 382,516.40 and 149,861.42 is: 206,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,185.82 : 382,516.40 = 149,861.42 : x
  2. Step 2: Convert to fraction form
    277,185.82/382,516.40 = 149,861.42/x
  3. Step 3: Cross multiply
    277,185.82x = 382,516.40 × 149,861.42
  4. Step 4: Simplify right side
    277,185.82x = 57,324,450,877.29
  5. Step 5: Solve for x
    x = 57,324,450,877.29/277,185.82
  6. Step 6: Final answer
    x = 206,808.74

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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.