Home / 329,630.90-494,446.35-223,342.70

Finding the Fourth Proportional to 329,630.90, 494,446.35 and 223,342.70

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Solution

The fourth proportional to 329,630.90, 494,446.35 and 223,342.70 is: 335,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,630.90 : 494,446.35 = 223,342.70 : x
  2. Step 2: Convert to fraction form
    329,630.90/494,446.35 = 223,342.70/x
  3. Step 3: Cross multiply
    329,630.90x = 494,446.35 × 223,342.70
  4. Step 4: Simplify right side
    329,630.90x = 110,430,982,814.15
  5. Step 5: Solve for x
    x = 110,430,982,814.15/329,630.90
  6. Step 6: Final answer
    x = 335,014.05

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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.