Home / 370,448.29-511,217.89-200,682.82

Finding the Fourth Proportional to 370,448.29, 511,217.89 and 200,682.82

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Solution

The fourth proportional to 370,448.29, 511,217.89 and 200,682.82 is: 276,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,448.29 : 511,217.89 = 200,682.82 : x
  2. Step 2: Convert to fraction form
    370,448.29/511,217.89 = 200,682.82/x
  3. Step 3: Cross multiply
    370,448.29x = 511,217.89 × 200,682.82
  4. Step 4: Simplify right side
    370,448.29x = 102,592,647,799.65
  5. Step 5: Solve for x
    x = 102,592,647,799.65/370,448.29
  6. Step 6: Final answer
    x = 276,941.89

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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.