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Finding the Fourth Proportional to 277,801, 417,255.05 and 262,133.89

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Solution

The fourth proportional to 277,801, 417,255.05 and 262,133.89 is: 393,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,801 : 417,255.05 = 262,133.89 : x
  2. Step 2: Convert to fraction form
    277,801/417,255.05 = 262,133.89/x
  3. Step 3: Cross multiply
    277,801x = 417,255.05 × 262,133.89
  4. Step 4: Simplify right side
    277,801x = 109,376,689,378.65
  5. Step 5: Solve for x
    x = 109,376,689,378.65/277,801
  6. Step 6: Final answer
    x = 393,723.17

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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.