Home / 306,223.44-422,602.41-170,271.36

Finding the Fourth Proportional to 306,223.44, 422,602.41 and 170,271.36

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Solution

The fourth proportional to 306,223.44, 422,602.41 and 170,271.36 is: 234,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,223.44 : 422,602.41 = 170,271.36 : x
  2. Step 2: Convert to fraction form
    306,223.44/422,602.41 = 170,271.36/x
  3. Step 3: Cross multiply
    306,223.44x = 422,602.41 × 170,271.36
  4. Step 4: Simplify right side
    306,223.44x = 71,957,087,089.98
  5. Step 5: Solve for x
    x = 71,957,087,089.98/306,223.44
  6. Step 6: Final answer
    x = 234,982.30

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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.