Home / 228,864.80-343,297.20-208,589.60

Finding the Fourth Proportional to 228,864.80, 343,297.20 and 208,589.60

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Solution

The fourth proportional to 228,864.80, 343,297.20 and 208,589.60 is: 312,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,864.80 : 343,297.20 = 208,589.60 : x
  2. Step 2: Convert to fraction form
    228,864.80/343,297.20 = 208,589.60/x
  3. Step 3: Cross multiply
    228,864.80x = 343,297.20 × 208,589.60
  4. Step 4: Simplify right side
    228,864.80x = 71,608,225,629.12
  5. Step 5: Solve for x
    x = 71,608,225,629.12/228,864.80
  6. Step 6: Final answer
    x = 312,884.40

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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.