Home / 215,431.86-323,295.46-75,190.50

Finding the Fourth Proportional to 215,431.86, 323,295.46 and 75,190.50

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Solution

The fourth proportional to 215,431.86, 323,295.46 and 75,190.50 is: 112,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,431.86 : 323,295.46 = 75,190.50 : x
  2. Step 2: Convert to fraction form
    215,431.86/323,295.46 = 75,190.50/x
  3. Step 3: Cross multiply
    215,431.86x = 323,295.46 × 75,190.50
  4. Step 4: Simplify right side
    215,431.86x = 24,308,747,285.13
  5. Step 5: Solve for x
    x = 24,308,747,285.13/215,431.86
  6. Step 6: Final answer
    x = 112,837.29

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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.