Home / 228,736.80-343,138.32-70,977.96

Finding the Fourth Proportional to 228,736.80, 343,138.32 and 70,977.96

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Solution

The fourth proportional to 228,736.80, 343,138.32 and 70,977.96 is: 106,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,736.80 : 343,138.32 = 70,977.96 : x
  2. Step 2: Convert to fraction form
    228,736.80/343,138.32 = 70,977.96/x
  3. Step 3: Cross multiply
    228,736.80x = 343,138.32 × 70,977.96
  4. Step 4: Simplify right side
    228,736.80x = 24,355,257,951.43
  5. Step 5: Solve for x
    x = 24,355,257,951.43/228,736.80
  6. Step 6: Final answer
    x = 106,477.22

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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.