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Finding the Fourth Proportional to 295,217, 407,397.30 and 167,892.44

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Solution

The fourth proportional to 295,217, 407,397.30 and 167,892.44 is: 231,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,217 : 407,397.30 = 167,892.44 : x
  2. Step 2: Convert to fraction form
    295,217/407,397.30 = 167,892.44/x
  3. Step 3: Cross multiply
    295,217x = 407,397.30 × 167,892.44
  4. Step 4: Simplify right side
    295,217x = 68,398,926,746.41
  5. Step 5: Solve for x
    x = 68,398,926,746.41/295,217
  6. Step 6: Final answer
    x = 231,690.34

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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.