Home / 209,718.78-314,556.30-59,949.36

Finding the Fourth Proportional to 209,718.78, 314,556.30 and 59,949.36

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Solution

The fourth proportional to 209,718.78, 314,556.30 and 59,949.36 is: 89,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,718.78 : 314,556.30 = 59,949.36 : x
  2. Step 2: Convert to fraction form
    209,718.78/314,556.30 = 59,949.36/x
  3. Step 3: Cross multiply
    209,718.78x = 314,556.30 × 59,949.36
  4. Step 4: Simplify right side
    209,718.78x = 18,857,448,868.97
  5. Step 5: Solve for x
    x = 18,857,448,868.97/209,718.78
  6. Step 6: Final answer
    x = 89,917.79

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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.