Home / 331,946.31-497,078.64-205,832.87

Finding the Fourth Proportional to 331,946.31, 497,078.64 and 205,832.87

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Solution

The fourth proportional to 331,946.31, 497,078.64 and 205,832.87 is: 308,227.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,946.31 : 497,078.64 = 205,832.87 : x
  2. Step 2: Convert to fraction form
    331,946.31/497,078.64 = 205,832.87/x
  3. Step 3: Cross multiply
    331,946.31x = 497,078.64 × 205,832.87
  4. Step 4: Simplify right side
    331,946.31x = 102,315,123,086.90
  5. Step 5: Solve for x
    x = 102,315,123,086.90/331,946.31
  6. Step 6: Final answer
    x = 308,227.93

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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.