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Finding the Fourth Proportional to 228,490.18, 342,794.40 and 133,800.37

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Solution

The fourth proportional to 228,490.18, 342,794.40 and 133,800.37 is: 200,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,490.18 : 342,794.40 = 133,800.37 : x
  2. Step 2: Convert to fraction form
    228,490.18/342,794.40 = 133,800.37/x
  3. Step 3: Cross multiply
    228,490.18x = 342,794.40 × 133,800.37
  4. Step 4: Simplify right side
    228,490.18x = 45,866,015,839.96
  5. Step 5: Solve for x
    x = 45,866,015,839.96/228,490.18
  6. Step 6: Final answer
    x = 200,735.18

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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.