Home / 370,519.62-511,317.21-200,753.75

Finding the Fourth Proportional to 370,519.62, 511,317.21 and 200,753.75

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Solution

The fourth proportional to 370,519.62, 511,317.21 and 200,753.75 is: 277,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,519.62 : 511,317.21 = 200,753.75 : x
  2. Step 2: Convert to fraction form
    370,519.62/511,317.21 = 200,753.75/x
  3. Step 3: Cross multiply
    370,519.62x = 511,317.21 × 200,753.75
  4. Step 4: Simplify right side
    370,519.62x = 102,648,844,790.45
  5. Step 5: Solve for x
    x = 102,648,844,790.45/370,519.62
  6. Step 6: Final answer
    x = 277,040.24

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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.