Home / 326,173.62-449,928.44-205,122.90

Finding the Fourth Proportional to 326,173.62, 449,928.44 and 205,122.90

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Solution

The fourth proportional to 326,173.62, 449,928.44 and 205,122.90 is: 282,949.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,173.62 : 449,928.44 = 205,122.90 : x
  2. Step 2: Convert to fraction form
    326,173.62/449,928.44 = 205,122.90/x
  3. Step 3: Cross multiply
    326,173.62x = 449,928.44 × 205,122.90
  4. Step 4: Simplify right side
    326,173.62x = 92,290,626,405.28
  5. Step 5: Solve for x
    x = 92,290,626,405.28/326,173.62
  6. Step 6: Final answer
    x = 282,949.39

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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.