Home / 289,086.79-398,864.10-166,549.18

Finding the Fourth Proportional to 289,086.79, 398,864.10 and 166,549.18

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Solution

The fourth proportional to 289,086.79, 398,864.10 and 166,549.18 is: 229,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,086.79 : 398,864.10 = 166,549.18 : x
  2. Step 2: Convert to fraction form
    289,086.79/398,864.10 = 166,549.18/x
  3. Step 3: Cross multiply
    289,086.79x = 398,864.10 × 166,549.18
  4. Step 4: Simplify right side
    289,086.79x = 66,430,488,786.44
  5. Step 5: Solve for x
    x = 66,430,488,786.44/289,086.79
  6. Step 6: Final answer
    x = 229,794.27

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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.