Home / 300,215.79-414,296.10-164,247.21

Finding the Fourth Proportional to 300,215.79, 414,296.10 and 164,247.21

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Solution

The fourth proportional to 300,215.79, 414,296.10 and 164,247.21 is: 226,660.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,215.79 : 414,296.10 = 164,247.21 : x
  2. Step 2: Convert to fraction form
    300,215.79/414,296.10 = 164,247.21/x
  3. Step 3: Cross multiply
    300,215.79x = 414,296.10 × 164,247.21
  4. Step 4: Simplify right side
    300,215.79x = 68,046,978,538.88
  5. Step 5: Solve for x
    x = 68,046,978,538.88/300,215.79
  6. Step 6: Final answer
    x = 226,660.23

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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.