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Finding the Fourth Proportional to 306,152.66, 422,488.41 and 170,199.02

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Solution

The fourth proportional to 306,152.66, 422,488.41 and 170,199.02 is: 234,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,152.66 : 422,488.41 = 170,199.02 : x
  2. Step 2: Convert to fraction form
    306,152.66/422,488.41 = 170,199.02/x
  3. Step 3: Cross multiply
    306,152.66x = 422,488.41 × 170,199.02
  4. Step 4: Simplify right side
    306,152.66x = 71,907,113,761.33
  5. Step 5: Solve for x
    x = 71,907,113,761.33/306,152.66
  6. Step 6: Final answer
    x = 234,873.39

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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.