Home / 320,932.23-481,403.81-121,346.61

Finding the Fourth Proportional to 320,932.23, 481,403.81 and 121,346.61

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Solution

The fourth proportional to 320,932.23, 481,403.81 and 121,346.61 is: 182,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,932.23 : 481,403.81 = 121,346.61 : x
  2. Step 2: Convert to fraction form
    320,932.23/481,403.81 = 121,346.61/x
  3. Step 3: Cross multiply
    320,932.23x = 481,403.81 × 121,346.61
  4. Step 4: Simplify right side
    320,932.23x = 58,416,718,200.11
  5. Step 5: Solve for x
    x = 58,416,718,200.11/320,932.23
  6. Step 6: Final answer
    x = 182,021.98

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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.