Home / 215,453.24-323,179.52-215,141.60

Finding the Fourth Proportional to 215,453.24, 323,179.52 and 215,141.60

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Solution

The fourth proportional to 215,453.24, 323,179.52 and 215,141.60 is: 322,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,453.24 : 323,179.52 = 215,141.60 : x
  2. Step 2: Convert to fraction form
    215,453.24/323,179.52 = 215,141.60/x
  3. Step 3: Cross multiply
    215,453.24x = 323,179.52 × 215,141.60
  4. Step 4: Simplify right side
    215,453.24x = 69,529,356,328.43
  5. Step 5: Solve for x
    x = 69,529,356,328.43/215,453.24
  6. Step 6: Final answer
    x = 322,712.04

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1.5x scale

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.