Home / 330,845.40-496,268.10-204,586.20

Finding the Fourth Proportional to 330,845.40, 496,268.10 and 204,586.20

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Solution

The fourth proportional to 330,845.40, 496,268.10 and 204,586.20 is: 306,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,845.40 : 496,268.10 = 204,586.20 : x
  2. Step 2: Convert to fraction form
    330,845.40/496,268.10 = 204,586.20/x
  3. Step 3: Cross multiply
    330,845.40x = 496,268.10 × 204,586.20
  4. Step 4: Simplify right side
    330,845.40x = 101,529,604,760.22
  5. Step 5: Solve for x
    x = 101,529,604,760.22/330,845.40
  6. Step 6: Final answer
    x = 306,879.30

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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.