Home / 306,010.19-422,285.61-170,040.62

Finding the Fourth Proportional to 306,010.19, 422,285.61 and 170,040.62

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Solution

The fourth proportional to 306,010.19, 422,285.61 and 170,040.62 is: 234,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,010.19 : 422,285.61 = 170,040.62 : x
  2. Step 2: Convert to fraction form
    306,010.19/422,285.61 = 170,040.62/x
  3. Step 3: Cross multiply
    306,010.19x = 422,285.61 × 170,040.62
  4. Step 4: Simplify right side
    306,010.19x = 71,805,706,941.48
  5. Step 5: Solve for x
    x = 71,805,706,941.48/306,010.19
  6. Step 6: Final answer
    x = 234,651.36

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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.