Home / 325,941.72-488,912.98-89,286.44

Finding the Fourth Proportional to 325,941.72, 488,912.98 and 89,286.44

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Solution

The fourth proportional to 325,941.72, 488,912.98 and 89,286.44 is: 133,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,941.72 : 488,912.98 = 89,286.44 : x
  2. Step 2: Convert to fraction form
    325,941.72/488,912.98 = 89,286.44/x
  3. Step 3: Cross multiply
    325,941.72x = 488,912.98 × 89,286.44
  4. Step 4: Simplify right side
    325,941.72x = 43,653,299,453.99
  5. Step 5: Solve for x
    x = 43,653,299,453.99/325,941.72
  6. Step 6: Final answer
    x = 133,929.77

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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.