Home / 408,989.08-564,399.55-236,930.50

Finding the Fourth Proportional to 408,989.08, 564,399.55 and 236,930.50

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Solution

The fourth proportional to 408,989.08, 564,399.55 and 236,930.50 is: 326,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,989.08 : 564,399.55 = 236,930.50 : x
  2. Step 2: Convert to fraction form
    408,989.08/564,399.55 = 236,930.50/x
  3. Step 3: Cross multiply
    408,989.08x = 564,399.55 × 236,930.50
  4. Step 4: Simplify right side
    408,989.08x = 133,723,467,581.28
  5. Step 5: Solve for x
    x = 133,723,467,581.28/408,989.08
  6. Step 6: Final answer
    x = 326,960.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.