Home / 291,560.22-436,352.85-179,311.65

Finding the Fourth Proportional to 291,560.22, 436,352.85 and 179,311.65

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Solution

The fourth proportional to 291,560.22, 436,352.85 and 179,311.65 is: 268,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,560.22 : 436,352.85 = 179,311.65 : x
  2. Step 2: Convert to fraction form
    291,560.22/436,352.85 = 179,311.65/x
  3. Step 3: Cross multiply
    291,560.22x = 436,352.85 × 179,311.65
  4. Step 4: Simplify right side
    291,560.22x = 78,243,149,515.70
  5. Step 5: Solve for x
    x = 78,243,149,515.70/291,560.22
  6. Step 6: Final answer
    x = 268,360.17

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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.