Home / 228,606.92-343,040-123,423.56

Finding the Fourth Proportional to 228,606.92, 343,040 and 123,423.56

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Solution

The fourth proportional to 228,606.92, 343,040 and 123,423.56 is: 185,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,606.92 : 343,040 = 123,423.56 : x
  2. Step 2: Convert to fraction form
    228,606.92/343,040 = 123,423.56/x
  3. Step 3: Cross multiply
    228,606.92x = 343,040 × 123,423.56
  4. Step 4: Simplify right side
    228,606.92x = 42,339,218,022.40
  5. Step 5: Solve for x
    x = 42,339,218,022.40/228,606.92
  6. Step 6: Final answer
    x = 185,205.32

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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.