Home / 329,579.40-494,369.10-223,291.20

Finding the Fourth Proportional to 329,579.40, 494,369.10 and 223,291.20

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Solution

The fourth proportional to 329,579.40, 494,369.10 and 223,291.20 is: 334,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,579.40 : 494,369.10 = 223,291.20 : x
  2. Step 2: Convert to fraction form
    329,579.40/494,369.10 = 223,291.20/x
  3. Step 3: Cross multiply
    329,579.40x = 494,369.10 × 223,291.20
  4. Step 4: Simplify right side
    329,579.40x = 110,388,269,581.92
  5. Step 5: Solve for x
    x = 110,388,269,581.92/329,579.40
  6. Step 6: Final answer
    x = 334,936.80

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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.