Home / 231,923.20-347,107.20-203,929.60

Finding the Fourth Proportional to 231,923.20, 347,107.20 and 203,929.60

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Solution

The fourth proportional to 231,923.20, 347,107.20 and 203,929.60 is: 305,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,923.20 : 347,107.20 = 203,929.60 : x
  2. Step 2: Convert to fraction form
    231,923.20/347,107.20 = 203,929.60/x
  3. Step 3: Cross multiply
    231,923.20x = 347,107.20 × 203,929.60
  4. Step 4: Simplify right side
    231,923.20x = 70,785,432,453.12
  5. Step 5: Solve for x
    x = 70,785,432,453.12/231,923.20
  6. Step 6: Final answer
    x = 305,210.66

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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.