Home / 225,401.09-311,467.97-161,637.89

Finding the Fourth Proportional to 225,401.09, 311,467.97 and 161,637.89

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Solution

The fourth proportional to 225,401.09, 311,467.97 and 161,637.89 is: 223,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,401.09 : 311,467.97 = 161,637.89 : x
  2. Step 2: Convert to fraction form
    225,401.09/311,467.97 = 161,637.89/x
  3. Step 3: Cross multiply
    225,401.09x = 311,467.97 × 161,637.89
  4. Step 4: Simplify right side
    225,401.09x = 50,345,024,665.19
  5. Step 5: Solve for x
    x = 50,345,024,665.19/225,401.09
  6. Step 6: Final answer
    x = 223,357.50

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1.5x scale

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.