Home / 384,178.23-576,334.98-131,399.37

Finding the Fourth Proportional to 384,178.23, 576,334.98 and 131,399.37

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Solution

The fourth proportional to 384,178.23, 576,334.98 and 131,399.37 is: 197,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,178.23 : 576,334.98 = 131,399.37 : x
  2. Step 2: Convert to fraction form
    384,178.23/576,334.98 = 131,399.37/x
  3. Step 3: Cross multiply
    384,178.23x = 576,334.98 × 131,399.37
  4. Step 4: Simplify right side
    384,178.23x = 75,730,053,280.96
  5. Step 5: Solve for x
    x = 75,730,053,280.96/384,178.23
  6. Step 6: Final answer
    x = 197,122.19

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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.