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Finding the Fourth Proportional to 277,997.58, 383,388.93 and 216,758.79

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Solution

The fourth proportional to 277,997.58, 383,388.93 and 216,758.79 is: 298,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,997.58 : 383,388.93 = 216,758.79 : x
  2. Step 2: Convert to fraction form
    277,997.58/383,388.93 = 216,758.79/x
  3. Step 3: Cross multiply
    277,997.58x = 383,388.93 × 216,758.79
  4. Step 4: Simplify right side
    277,997.58x = 83,102,920,566.19
  5. Step 5: Solve for x
    x = 83,102,920,566.19/277,997.58
  6. Step 6: Final answer
    x = 298,933.97

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1.5x scale

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.