Home / 356,011.43-491,198.62-202,993.83

Finding the Fourth Proportional to 356,011.43, 491,198.62 and 202,993.83

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Solution

The fourth proportional to 356,011.43, 491,198.62 and 202,993.83 is: 280,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,011.43 : 491,198.62 = 202,993.83 : x
  2. Step 2: Convert to fraction form
    356,011.43/491,198.62 = 202,993.83/x
  3. Step 3: Cross multiply
    356,011.43x = 491,198.62 × 202,993.83
  4. Step 4: Simplify right side
    356,011.43x = 99,710,285,693.55
  5. Step 5: Solve for x
    x = 99,710,285,693.55/356,011.43
  6. Step 6: Final answer
    x = 280,076.08

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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.