Home / 378,177.42-521,884.98-206,095.44

Finding the Fourth Proportional to 378,177.42, 521,884.98 and 206,095.44

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Solution

The fourth proportional to 378,177.42, 521,884.98 and 206,095.44 is: 284,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,177.42 : 521,884.98 = 206,095.44 : x
  2. Step 2: Convert to fraction form
    378,177.42/521,884.98 = 206,095.44/x
  3. Step 3: Cross multiply
    378,177.42x = 521,884.98 × 206,095.44
  4. Step 4: Simplify right side
    378,177.42x = 107,558,114,582.49
  5. Step 5: Solve for x
    x = 107,558,114,582.49/378,177.42
  6. Step 6: Final answer
    x = 284,411.78

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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.