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Finding the Fourth Proportional to 227,629.80, 341,751.90 and 144,685.80

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Solution

The fourth proportional to 227,629.80, 341,751.90 and 144,685.80 is: 217,223.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,629.80 : 341,751.90 = 144,685.80 : x
  2. Step 2: Convert to fraction form
    227,629.80/341,751.90 = 144,685.80/x
  3. Step 3: Cross multiply
    227,629.80x = 341,751.90 × 144,685.80
  4. Step 4: Simplify right side
    227,629.80x = 49,446,647,053.02
  5. Step 5: Solve for x
    x = 49,446,647,053.02/227,629.80
  6. Step 6: Final answer
    x = 217,223.96

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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.