Home / 228,946.80-343,420.20-203,577.60

Finding the Fourth Proportional to 228,946.80, 343,420.20 and 203,577.60

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Solution

The fourth proportional to 228,946.80, 343,420.20 and 203,577.60 is: 305,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,946.80 : 343,420.20 = 203,577.60 : x
  2. Step 2: Convert to fraction form
    228,946.80/343,420.20 = 203,577.60/x
  3. Step 3: Cross multiply
    228,946.80x = 343,420.20 × 203,577.60
  4. Step 4: Simplify right side
    228,946.80x = 69,912,660,107.52
  5. Step 5: Solve for x
    x = 69,912,660,107.52/228,946.80
  6. Step 6: Final answer
    x = 305,366.40

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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.