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Finding the Fourth Proportional to 250,353, 345,495.24 and 137,183.04

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Solution

The fourth proportional to 250,353, 345,495.24 and 137,183.04 is: 189,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,353 : 345,495.24 = 137,183.04 : x
  2. Step 2: Convert to fraction form
    250,353/345,495.24 = 137,183.04/x
  3. Step 3: Cross multiply
    250,353x = 345,495.24 × 137,183.04
  4. Step 4: Simplify right side
    250,353x = 47,396,087,328.73
  5. Step 5: Solve for x
    x = 47,396,087,328.73/250,353
  6. Step 6: Final answer
    x = 189,317.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.