Home / 306,032.31-422,297.69-170,057.61

Finding the Fourth Proportional to 306,032.31, 422,297.69 and 170,057.61

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Solution

The fourth proportional to 306,032.31, 422,297.69 and 170,057.61 is: 234,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,032.31 : 422,297.69 = 170,057.61 : x
  2. Step 2: Convert to fraction form
    306,032.31/422,297.69 = 170,057.61/x
  3. Step 3: Cross multiply
    306,032.31x = 422,297.69 × 170,057.61
  4. Step 4: Simplify right side
    306,032.31x = 71,814,935,019.63
  5. Step 5: Solve for x
    x = 71,814,935,019.63/306,032.31
  6. Step 6: Final answer
    x = 234,664.55

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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.