Home / 331,209.45-496,887.48-120,846.78

Finding the Fourth Proportional to 331,209.45, 496,887.48 and 120,846.78

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Solution

The fourth proportional to 331,209.45, 496,887.48 and 120,846.78 is: 181,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,209.45 : 496,887.48 = 120,846.78 : x
  2. Step 2: Convert to fraction form
    331,209.45/496,887.48 = 120,846.78/x
  3. Step 3: Cross multiply
    331,209.45x = 496,887.48 × 120,846.78
  4. Step 4: Simplify right side
    331,209.45x = 60,047,251,980.31
  5. Step 5: Solve for x
    x = 60,047,251,980.31/331,209.45
  6. Step 6: Final answer
    x = 181,296.92

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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.