Home / 275,518.08-413,436.72-115,579.89

Finding the Fourth Proportional to 275,518.08, 413,436.72 and 115,579.89

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Solution

The fourth proportional to 275,518.08, 413,436.72 and 115,579.89 is: 173,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,518.08 : 413,436.72 = 115,579.89 : x
  2. Step 2: Convert to fraction form
    275,518.08/413,436.72 = 115,579.89/x
  3. Step 3: Cross multiply
    275,518.08x = 413,436.72 × 115,579.89
  4. Step 4: Simplify right side
    275,518.08x = 47,784,970,619.56
  5. Step 5: Solve for x
    x = 47,784,970,619.56/275,518.08
  6. Step 6: Final answer
    x = 173,436.79

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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.