Home / 376,734.42-519,893.64-206,979.48

Finding the Fourth Proportional to 376,734.42, 519,893.64 and 206,979.48

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Solution

The fourth proportional to 376,734.42, 519,893.64 and 206,979.48 is: 285,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,734.42 : 519,893.64 = 206,979.48 : x
  2. Step 2: Convert to fraction form
    376,734.42/519,893.64 = 206,979.48/x
  3. Step 3: Cross multiply
    376,734.42x = 519,893.64 × 206,979.48
  4. Step 4: Simplify right side
    376,734.42x = 107,607,315,262.51
  5. Step 5: Solve for x
    x = 107,607,315,262.51/376,734.42
  6. Step 6: Final answer
    x = 285,631.76

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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.