Home / 289,003.23-433,629.38-120,556.73

Finding the Fourth Proportional to 289,003.23, 433,629.38 and 120,556.73

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Solution

The fourth proportional to 289,003.23, 433,629.38 and 120,556.73 is: 180,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,003.23 : 433,629.38 = 120,556.73 : x
  2. Step 2: Convert to fraction form
    289,003.23/433,629.38 = 120,556.73/x
  3. Step 3: Cross multiply
    289,003.23x = 433,629.38 × 120,556.73
  4. Step 4: Simplify right side
    289,003.23x = 52,276,941,470.19
  5. Step 5: Solve for x
    x = 52,276,941,470.19/289,003.23
  6. Step 6: Final answer
    x = 180,887.05

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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.