Home / 222,642.24-334,018-64,872.16

Finding the Fourth Proportional to 222,642.24, 334,018 and 64,872.16

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Solution

The fourth proportional to 222,642.24, 334,018 and 64,872.16 is: 97,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,642.24 : 334,018 = 64,872.16 : x
  2. Step 2: Convert to fraction form
    222,642.24/334,018 = 64,872.16/x
  3. Step 3: Cross multiply
    222,642.24x = 334,018 × 64,872.16
  4. Step 4: Simplify right side
    222,642.24x = 21,668,469,138.88
  5. Step 5: Solve for x
    x = 21,668,469,138.88/222,642.24
  6. Step 6: Final answer
    x = 97,324.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.