Home / 367,318.78-506,872.12-206,142.69

Finding the Fourth Proportional to 367,318.78, 506,872.12 and 206,142.69

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Solution

The fourth proportional to 367,318.78, 506,872.12 and 206,142.69 is: 284,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,318.78 : 506,872.12 = 206,142.69 : x
  2. Step 2: Convert to fraction form
    367,318.78/506,872.12 = 206,142.69/x
  3. Step 3: Cross multiply
    367,318.78x = 506,872.12 × 206,142.69
  4. Step 4: Simplify right side
    367,318.78x = 104,487,983,569.98
  5. Step 5: Solve for x
    x = 104,487,983,569.98/367,318.78
  6. Step 6: Final answer
    x = 284,461.31

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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.