Home / 209,828.20-289,392.42-192,335.08

Finding the Fourth Proportional to 209,828.20, 289,392.42 and 192,335.08

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Solution

The fourth proportional to 209,828.20, 289,392.42 and 192,335.08 is: 265,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,828.20 : 289,392.42 = 192,335.08 : x
  2. Step 2: Convert to fraction form
    209,828.20/289,392.42 = 192,335.08/x
  3. Step 3: Cross multiply
    209,828.20x = 289,392.42 × 192,335.08
  4. Step 4: Simplify right side
    209,828.20x = 55,660,314,252.09
  5. Step 5: Solve for x
    x = 55,660,314,252.09/209,828.20
  6. Step 6: Final answer
    x = 265,266.13

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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.