Home / 306,040.53-422,346.20-170,080.22

Finding the Fourth Proportional to 306,040.53, 422,346.20 and 170,080.22

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Solution

The fourth proportional to 306,040.53, 422,346.20 and 170,080.22 is: 234,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,040.53 : 422,346.20 = 170,080.22 : x
  2. Step 2: Convert to fraction form
    306,040.53/422,346.20 = 170,080.22/x
  3. Step 3: Cross multiply
    306,040.53x = 422,346.20 × 170,080.22
  4. Step 4: Simplify right side
    306,040.53x = 71,832,731,650.03
  5. Step 5: Solve for x
    x = 71,832,731,650.03/306,040.53
  6. Step 6: Final answer
    x = 234,716.40

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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.