Home / 306,022.20-422,302.16-170,052.62

Finding the Fourth Proportional to 306,022.20, 422,302.16 and 170,052.62

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Solution

The fourth proportional to 306,022.20, 422,302.16 and 170,052.62 is: 234,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,022.20 : 422,302.16 = 170,052.62 : x
  2. Step 2: Convert to fraction form
    306,022.20/422,302.16 = 170,052.62/x
  3. Step 3: Cross multiply
    306,022.20x = 422,302.16 × 170,052.62
  4. Step 4: Simplify right side
    306,022.20x = 71,813,588,739.66
  5. Step 5: Solve for x
    x = 71,813,588,739.66/306,022.20
  6. Step 6: Final answer
    x = 234,667.91

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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.