Home / 329,815.40-494,723.10-223,527.20

Finding the Fourth Proportional to 329,815.40, 494,723.10 and 223,527.20

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Solution

The fourth proportional to 329,815.40, 494,723.10 and 223,527.20 is: 335,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,815.40 : 494,723.10 = 223,527.20 : x
  2. Step 2: Convert to fraction form
    329,815.40/494,723.10 = 223,527.20/x
  3. Step 3: Cross multiply
    329,815.40x = 494,723.10 × 223,527.20
  4. Step 4: Simplify right side
    329,815.40x = 110,584,069,318.32
  5. Step 5: Solve for x
    x = 110,584,069,318.32/329,815.40
  6. Step 6: Final answer
    x = 335,290.80

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Similar ratio
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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.