Home / 376,076.90-518,983.05-203,994.43

Finding the Fourth Proportional to 376,076.90, 518,983.05 and 203,994.43

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Solution

The fourth proportional to 376,076.90, 518,983.05 and 203,994.43 is: 281,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,076.90 : 518,983.05 = 203,994.43 : x
  2. Step 2: Convert to fraction form
    376,076.90/518,983.05 = 203,994.43/x
  3. Step 3: Cross multiply
    376,076.90x = 518,983.05 × 203,994.43
  4. Step 4: Simplify right side
    376,076.90x = 105,869,651,464.41
  5. Step 5: Solve for x
    x = 105,869,651,464.41/376,076.90
  6. Step 6: Final answer
    x = 281,510.65

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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.