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Finding the Fourth Proportional to 307,662.82, 424,596.01 and 171,723.29

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Solution

The fourth proportional to 307,662.82, 424,596.01 and 171,723.29 is: 236,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,662.82 : 424,596.01 = 171,723.29 : x
  2. Step 2: Convert to fraction form
    307,662.82/424,596.01 = 171,723.29/x
  3. Step 3: Cross multiply
    307,662.82x = 424,596.01 × 171,723.29
  4. Step 4: Simplify right side
    307,662.82x = 72,913,023,328.76
  5. Step 5: Solve for x
    x = 72,913,023,328.76/307,662.82
  6. Step 6: Final answer
    x = 236,990.04

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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.