Home / 228,834.80-343,252.20-208,559.60

Finding the Fourth Proportional to 228,834.80, 343,252.20 and 208,559.60

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Solution

The fourth proportional to 228,834.80, 343,252.20 and 208,559.60 is: 312,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,834.80 : 343,252.20 = 208,559.60 : x
  2. Step 2: Convert to fraction form
    228,834.80/343,252.20 = 208,559.60/x
  3. Step 3: Cross multiply
    228,834.80x = 343,252.20 × 208,559.60
  4. Step 4: Simplify right side
    228,834.80x = 71,588,541,531.12
  5. Step 5: Solve for x
    x = 71,588,541,531.12/228,834.80
  6. Step 6: Final answer
    x = 312,839.40

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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.