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Finding the Fourth Proportional to 293,309.16, 404,766.65 and 159,173.16

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Solution

The fourth proportional to 293,309.16, 404,766.65 and 159,173.16 is: 219,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,309.16 : 404,766.65 = 159,173.16 : x
  2. Step 2: Convert to fraction form
    293,309.16/404,766.65 = 159,173.16/x
  3. Step 3: Cross multiply
    293,309.16x = 404,766.65 × 159,173.16
  4. Step 4: Simplify right side
    293,309.16x = 64,427,985,947.25
  5. Step 5: Solve for x
    x = 64,427,985,947.25/293,309.16
  6. Step 6: Final answer
    x = 219,658.96

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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.