Home / 330,979.60-496,469.40-198,269.20

Finding the Fourth Proportional to 330,979.60, 496,469.40 and 198,269.20

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Solution

The fourth proportional to 330,979.60, 496,469.40 and 198,269.20 is: 297,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,979.60 : 496,469.40 = 198,269.20 : x
  2. Step 2: Convert to fraction form
    330,979.60/496,469.40 = 198,269.20/x
  3. Step 3: Cross multiply
    330,979.60x = 496,469.40 × 198,269.20
  4. Step 4: Simplify right side
    330,979.60x = 98,434,590,762.48
  5. Step 5: Solve for x
    x = 98,434,590,762.48/330,979.60
  6. Step 6: Final answer
    x = 297,403.80

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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.