Home / 209,889.22-313,222.13-187,467.01

Finding the Fourth Proportional to 209,889.22, 313,222.13 and 187,467.01

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Solution

The fourth proportional to 209,889.22, 313,222.13 and 187,467.01 is: 279,760.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,889.22 : 313,222.13 = 187,467.01 : x
  2. Step 2: Convert to fraction form
    209,889.22/313,222.13 = 187,467.01/x
  3. Step 3: Cross multiply
    209,889.22x = 313,222.13 × 187,467.01
  4. Step 4: Simplify right side
    209,889.22x = 58,718,816,176.93
  5. Step 5: Solve for x
    x = 58,718,816,176.93/209,889.22
  6. Step 6: Final answer
    x = 279,760.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.