Home / 381,727.40-526,797.06-211,964.36

Finding the Fourth Proportional to 381,727.40, 526,797.06 and 211,964.36

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Solution

The fourth proportional to 381,727.40, 526,797.06 and 211,964.36 is: 292,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,727.40 : 526,797.06 = 211,964.36 : x
  2. Step 2: Convert to fraction form
    381,727.40/526,797.06 = 211,964.36/x
  3. Step 3: Cross multiply
    381,727.40x = 526,797.06 × 211,964.36
  4. Step 4: Simplify right side
    381,727.40x = 111,662,201,672.78
  5. Step 5: Solve for x
    x = 111,662,201,672.78/381,727.40
  6. Step 6: Final answer
    x = 292,518.17

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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.