Home / 306,220.43-422,598.26-170,268.35

Finding the Fourth Proportional to 306,220.43, 422,598.26 and 170,268.35

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Solution

The fourth proportional to 306,220.43, 422,598.26 and 170,268.35 is: 234,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,220.43 : 422,598.26 = 170,268.35 : x
  2. Step 2: Convert to fraction form
    306,220.43/422,598.26 = 170,268.35/x
  3. Step 3: Cross multiply
    306,220.43x = 422,598.26 × 170,268.35
  4. Step 4: Simplify right side
    306,220.43x = 71,955,106,755.75
  5. Step 5: Solve for x
    x = 71,955,106,755.75/306,220.43
  6. Step 6: Final answer
    x = 234,978.14

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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.