Home / 375,942.18-518,827.68-214,793.78

Finding the Fourth Proportional to 375,942.18, 518,827.68 and 214,793.78

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Solution

The fourth proportional to 375,942.18, 518,827.68 and 214,793.78 is: 296,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,942.18 : 518,827.68 = 214,793.78 : x
  2. Step 2: Convert to fraction form
    375,942.18/518,827.68 = 214,793.78/x
  3. Step 3: Cross multiply
    375,942.18x = 518,827.68 × 214,793.78
  4. Step 4: Simplify right side
    375,942.18x = 111,440,958,555.83
  5. Step 5: Solve for x
    x = 111,440,958,555.83/375,942.18
  6. Step 6: Final answer
    x = 296,431.11

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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.