Home / 291,226.02-436,838.85-80,863.90

Finding the Fourth Proportional to 291,226.02, 436,838.85 and 80,863.90

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Solution

The fourth proportional to 291,226.02, 436,838.85 and 80,863.90 is: 121,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,226.02 : 436,838.85 = 80,863.90 : x
  2. Step 2: Convert to fraction form
    291,226.02/436,838.85 = 80,863.90/x
  3. Step 3: Cross multiply
    291,226.02x = 436,838.85 × 80,863.90
  4. Step 4: Simplify right side
    291,226.02x = 35,324,493,082.52
  5. Step 5: Solve for x
    x = 35,324,493,082.52/291,226.02
  6. Step 6: Final answer
    x = 121,295.80

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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.