Home / 228,183.97-342,321.60-70,406.50

Finding the Fourth Proportional to 228,183.97, 342,321.60 and 70,406.50

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Solution

The fourth proportional to 228,183.97, 342,321.60 and 70,406.50 is: 105,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,183.97 : 342,321.60 = 70,406.50 : x
  2. Step 2: Convert to fraction form
    228,183.97/342,321.60 = 70,406.50/x
  3. Step 3: Cross multiply
    228,183.97x = 342,321.60 × 70,406.50
  4. Step 4: Simplify right side
    228,183.97x = 24,101,665,730.40
  5. Step 5: Solve for x
    x = 24,101,665,730.40/228,183.97
  6. Step 6: Final answer
    x = 105,623.83

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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.