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Finding the Fourth Proportional to 636,745.96, 954,790.26 and 187,408.60

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Solution

The fourth proportional to 636,745.96, 954,790.26 and 187,408.60 is: 281,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,745.96 : 954,790.26 = 187,408.60 : x
  2. Step 2: Convert to fraction form
    636,745.96/954,790.26 = 187,408.60/x
  3. Step 3: Cross multiply
    636,745.96x = 954,790.26 × 187,408.60
  4. Step 4: Simplify right side
    636,745.96x = 178,935,905,920.24
  5. Step 5: Solve for x
    x = 178,935,905,920.24/636,745.96
  6. Step 6: Final answer
    x = 281,016.16

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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.