Home / 308,110.08-425,188.98-172,167.44

Finding the Fourth Proportional to 308,110.08, 425,188.98 and 172,167.44

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Solution

The fourth proportional to 308,110.08, 425,188.98 and 172,167.44 is: 237,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,110.08 : 425,188.98 = 172,167.44 : x
  2. Step 2: Convert to fraction form
    308,110.08/425,188.98 = 172,167.44/x
  3. Step 3: Cross multiply
    308,110.08x = 425,188.98 × 172,167.44
  4. Step 4: Simplify right side
    308,110.08x = 73,203,698,202.81
  5. Step 5: Solve for x
    x = 73,203,698,202.81/308,110.08
  6. Step 6: Final answer
    x = 237,589.43

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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.