Home / 291,490.37-436,247.99-179,241.69

Finding the Fourth Proportional to 291,490.37, 436,247.99 and 179,241.69

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Solution

The fourth proportional to 291,490.37, 436,247.99 and 179,241.69 is: 268,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,490.37 : 436,247.99 = 179,241.69 : x
  2. Step 2: Convert to fraction form
    291,490.37/436,247.99 = 179,241.69/x
  3. Step 3: Cross multiply
    291,490.37x = 436,247.99 × 179,241.69
  4. Step 4: Simplify right side
    291,490.37x = 78,193,826,986.70
  5. Step 5: Solve for x
    x = 78,193,826,986.70/291,490.37
  6. Step 6: Final answer
    x = 268,255.27

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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.