Home / 306,230.37-422,617.05-170,294.73

Finding the Fourth Proportional to 306,230.37, 422,617.05 and 170,294.73

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Solution

The fourth proportional to 306,230.37, 422,617.05 and 170,294.73 is: 235,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,230.37 : 422,617.05 = 170,294.73 : x
  2. Step 2: Convert to fraction form
    306,230.37/422,617.05 = 170,294.73/x
  3. Step 3: Cross multiply
    306,230.37x = 422,617.05 × 170,294.73
  4. Step 4: Simplify right side
    306,230.37x = 71,969,456,423.15
  5. Step 5: Solve for x
    x = 71,969,456,423.15/306,230.37
  6. Step 6: Final answer
    x = 235,017.37

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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.