Home / 339,209.04-508,813.50-198,891.12

Finding the Fourth Proportional to 339,209.04, 508,813.50 and 198,891.12

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Solution

The fourth proportional to 339,209.04, 508,813.50 and 198,891.12 is: 298,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,209.04 : 508,813.50 = 198,891.12 : x
  2. Step 2: Convert to fraction form
    339,209.04/508,813.50 = 198,891.12/x
  3. Step 3: Cross multiply
    339,209.04x = 508,813.50 × 198,891.12
  4. Step 4: Simplify right side
    339,209.04x = 101,198,486,886.12
  5. Step 5: Solve for x
    x = 101,198,486,886.12/339,209.04
  6. Step 6: Final answer
    x = 298,336.64

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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.