Home / 326,147.45-449,666.84-211,223.03

Finding the Fourth Proportional to 326,147.45, 449,666.84 and 211,223.03

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Solution

The fourth proportional to 326,147.45, 449,666.84 and 211,223.03 is: 291,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,147.45 : 449,666.84 = 211,223.03 : x
  2. Step 2: Convert to fraction form
    326,147.45/449,666.84 = 211,223.03/x
  3. Step 3: Cross multiply
    326,147.45x = 449,666.84 × 211,223.03
  4. Step 4: Simplify right side
    326,147.45x = 94,979,990,715.05
  5. Step 5: Solve for x
    x = 94,979,990,715.05/326,147.45
  6. Step 6: Final answer
    x = 291,217.95

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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.