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Finding the Fourth Proportional to 144,998.65, 217,445.65 and 50,203.13

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Solution

The fourth proportional to 144,998.65, 217,445.65 and 50,203.13 is: 75,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,998.65 : 217,445.65 = 50,203.13 : x
  2. Step 2: Convert to fraction form
    144,998.65/217,445.65 = 50,203.13/x
  3. Step 3: Cross multiply
    144,998.65x = 217,445.65 × 50,203.13
  4. Step 4: Simplify right side
    144,998.65x = 10,916,452,234.88
  5. Step 5: Solve for x
    x = 10,916,452,234.88/144,998.65
  6. Step 6: Final answer
    x = 75,286.58

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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.