Home / 306,032.82-422,335.91-170,072.49

Finding the Fourth Proportional to 306,032.82, 422,335.91 and 170,072.49

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Solution

The fourth proportional to 306,032.82, 422,335.91 and 170,072.49 is: 234,705.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,032.82 : 422,335.91 = 170,072.49 : x
  2. Step 2: Convert to fraction form
    306,032.82/422,335.91 = 170,072.49/x
  3. Step 3: Cross multiply
    306,032.82x = 422,335.91 × 170,072.49
  4. Step 4: Simplify right side
    306,032.82x = 71,827,719,830.12
  5. Step 5: Solve for x
    x = 71,827,719,830.12/306,032.82
  6. Step 6: Final answer
    x = 234,705.94

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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.