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Finding the Fourth Proportional to 164,662.47, 246,990.26 and 52,342.88

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Solution

The fourth proportional to 164,662.47, 246,990.26 and 52,342.88 is: 78,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,662.47 : 246,990.26 = 52,342.88 : x
  2. Step 2: Convert to fraction form
    164,662.47/246,990.26 = 52,342.88/x
  3. Step 3: Cross multiply
    164,662.47x = 246,990.26 × 52,342.88
  4. Step 4: Simplify right side
    164,662.47x = 12,928,180,436.25
  5. Step 5: Solve for x
    x = 12,928,180,436.25/164,662.47
  6. Step 6: Final answer
    x = 78,513.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.