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Finding the Fourth Proportional to 185,408.40, 278,124.48 and 65,450.48

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Solution

The fourth proportional to 185,408.40, 278,124.48 and 65,450.48 is: 98,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,408.40 : 278,124.48 = 65,450.48 : x
  2. Step 2: Convert to fraction form
    185,408.40/278,124.48 = 65,450.48/x
  3. Step 3: Cross multiply
    185,408.40x = 278,124.48 × 65,450.48
  4. Step 4: Simplify right side
    185,408.40x = 18,203,380,715.75
  5. Step 5: Solve for x
    x = 18,203,380,715.75/185,408.40
  6. Step 6: Final answer
    x = 98,179.91

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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.