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Finding the Fourth Proportional to 180,212.56, 270,340.72 and 55,553.60

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Solution

The fourth proportional to 180,212.56, 270,340.72 and 55,553.60 is: 83,337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,212.56 : 270,340.72 = 55,553.60 : x
  2. Step 2: Convert to fraction form
    180,212.56/270,340.72 = 55,553.60/x
  3. Step 3: Cross multiply
    180,212.56x = 270,340.72 × 55,553.60
  4. Step 4: Simplify right side
    180,212.56x = 15,018,400,222.59
  5. Step 5: Solve for x
    x = 15,018,400,222.59/180,212.56
  6. Step 6: Final answer
    x = 83,337.14

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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.