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Finding the Fourth Proportional to 376,070.82, 518,977.83 and 206,304.93

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Solution

The fourth proportional to 376,070.82, 518,977.83 and 206,304.93 is: 284,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,070.82 : 518,977.83 = 206,304.93 : x
  2. Step 2: Convert to fraction form
    376,070.82/518,977.83 = 206,304.93/x
  3. Step 3: Cross multiply
    376,070.82x = 518,977.83 × 206,304.93
  4. Step 4: Simplify right side
    376,070.82x = 107,067,684,889.70
  5. Step 5: Solve for x
    x = 107,067,684,889.70/376,070.82
  6. Step 6: Final answer
    x = 284,700.86

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1.5x scale

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.