Home / 329,631.40-494,447.10-223,343.20

Finding the Fourth Proportional to 329,631.40, 494,447.10 and 223,343.20

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Solution

The fourth proportional to 329,631.40, 494,447.10 and 223,343.20 is: 335,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,631.40 : 494,447.10 = 223,343.20 : x
  2. Step 2: Convert to fraction form
    329,631.40/494,447.10 = 223,343.20/x
  3. Step 3: Cross multiply
    329,631.40x = 494,447.10 × 223,343.20
  4. Step 4: Simplify right side
    329,631.40x = 110,431,397,544.72
  5. Step 5: Solve for x
    x = 110,431,397,544.72/329,631.40
  6. Step 6: Final answer
    x = 335,014.80

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1.5x scale

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.