Home / 228,538.92-342,938-123,355.56

Finding the Fourth Proportional to 228,538.92, 342,938 and 123,355.56

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Solution

The fourth proportional to 228,538.92, 342,938 and 123,355.56 is: 185,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,538.92 : 342,938 = 123,355.56 : x
  2. Step 2: Convert to fraction form
    228,538.92/342,938 = 123,355.56/x
  3. Step 3: Cross multiply
    228,538.92x = 342,938 × 123,355.56
  4. Step 4: Simplify right side
    228,538.92x = 42,303,309,035.28
  5. Step 5: Solve for x
    x = 42,303,309,035.28/228,538.92
  6. Step 6: Final answer
    x = 185,103.30

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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.