Home / 209,723.22-289,166.49-171,340.56

Finding the Fourth Proportional to 209,723.22, 289,166.49 and 171,340.56

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Solution

The fourth proportional to 209,723.22, 289,166.49 and 171,340.56 is: 236,244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,723.22 : 289,166.49 = 171,340.56 : x
  2. Step 2: Convert to fraction form
    209,723.22/289,166.49 = 171,340.56/x
  3. Step 3: Cross multiply
    209,723.22x = 289,166.49 × 171,340.56
  4. Step 4: Simplify right side
    209,723.22x = 49,545,948,329.83
  5. Step 5: Solve for x
    x = 49,545,948,329.83/209,723.22
  6. Step 6: Final answer
    x = 236,244.46

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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.