Home / 206,810.88-309,263.97-196,721.81

Finding the Fourth Proportional to 206,810.88, 309,263.97 and 196,721.81

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Solution

The fourth proportional to 206,810.88, 309,263.97 and 196,721.81 is: 294,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,810.88 : 309,263.97 = 196,721.81 : x
  2. Step 2: Convert to fraction form
    206,810.88/309,263.97 = 196,721.81/x
  3. Step 3: Cross multiply
    206,810.88x = 309,263.97 × 196,721.81
  4. Step 4: Simplify right side
    206,810.88x = 60,838,966,399.87
  5. Step 5: Solve for x
    x = 60,838,966,399.87/206,810.88
  6. Step 6: Final answer
    x = 294,176.82

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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.