Home / 277,269.12-382,180.08-216,732.96

Finding the Fourth Proportional to 277,269.12, 382,180.08 and 216,732.96

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Solution

The fourth proportional to 277,269.12, 382,180.08 and 216,732.96 is: 298,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,269.12 : 382,180.08 = 216,732.96 : x
  2. Step 2: Convert to fraction form
    277,269.12/382,180.08 = 216,732.96/x
  3. Step 3: Cross multiply
    277,269.12x = 382,180.08 × 216,732.96
  4. Step 4: Simplify right side
    277,269.12x = 82,831,019,991.44
  5. Step 5: Solve for x
    x = 82,831,019,991.44/277,269.12
  6. Step 6: Final answer
    x = 298,738.71

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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.