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Finding the Fourth Proportional to 180,501.60, 270,849.60 and 75,331.20

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Solution

The fourth proportional to 180,501.60, 270,849.60 and 75,331.20 is: 113,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,501.60 : 270,849.60 = 75,331.20 : x
  2. Step 2: Convert to fraction form
    180,501.60/270,849.60 = 75,331.20/x
  3. Step 3: Cross multiply
    180,501.60x = 270,849.60 × 75,331.20
  4. Step 4: Simplify right side
    180,501.60x = 20,403,425,387.52
  5. Step 5: Solve for x
    x = 20,403,425,387.52/180,501.60
  6. Step 6: Final answer
    x = 113,037.37

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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.