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Finding the Fourth Proportional to 180,403.01, 270,910.70 and 156,739.67

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Solution

The fourth proportional to 180,403.01, 270,910.70 and 156,739.67 is: 235,375.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,403.01 : 270,910.70 = 156,739.67 : x
  2. Step 2: Convert to fraction form
    180,403.01/270,910.70 = 156,739.67/x
  3. Step 3: Cross multiply
    180,403.01x = 270,910.70 × 156,739.67
  4. Step 4: Simplify right side
    180,403.01x = 42,462,453,717.47
  5. Step 5: Solve for x
    x = 42,462,453,717.47/180,403.01
  6. Step 6: Final answer
    x = 235,375.53

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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.