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Finding the Fourth Proportional to 612,083.82, 918,052.53 and 162,837.54

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Solution

The fourth proportional to 612,083.82, 918,052.53 and 162,837.54 is: 244,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,083.82 : 918,052.53 = 162,837.54 : x
  2. Step 2: Convert to fraction form
    612,083.82/918,052.53 = 162,837.54/x
  3. Step 3: Cross multiply
    612,083.82x = 918,052.53 × 162,837.54
  4. Step 4: Simplify right side
    612,083.82x = 149,493,415,575.98
  5. Step 5: Solve for x
    x = 149,493,415,575.98/612,083.82
  6. Step 6: Final answer
    x = 244,236.84

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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.