Home / 306,218.44-422,595.52-170,266.34

Finding the Fourth Proportional to 306,218.44, 422,595.52 and 170,266.34

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Solution

The fourth proportional to 306,218.44, 422,595.52 and 170,266.34 is: 234,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,218.44 : 422,595.52 = 170,266.34 : x
  2. Step 2: Convert to fraction form
    306,218.44/422,595.52 = 170,266.34/x
  3. Step 3: Cross multiply
    306,218.44x = 422,595.52 × 170,266.34
  4. Step 4: Simplify right side
    306,218.44x = 71,953,792,490.80
  5. Step 5: Solve for x
    x = 71,953,792,490.80/306,218.44
  6. Step 6: Final answer
    x = 234,975.37

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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.