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Finding the Fourth Proportional to 377,576.79, 520,924.48 and 214,214.04

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Solution

The fourth proportional to 377,576.79, 520,924.48 and 214,214.04 is: 295,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,576.79 : 520,924.48 = 214,214.04 : x
  2. Step 2: Convert to fraction form
    377,576.79/520,924.48 = 214,214.04/x
  3. Step 3: Cross multiply
    377,576.79x = 520,924.48 × 214,214.04
  4. Step 4: Simplify right side
    377,576.79x = 111,589,339,111.73
  5. Step 5: Solve for x
    x = 111,589,339,111.73/377,576.79
  6. Step 6: Final answer
    x = 295,540.78

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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.