Home / 240,299.20-331,619.88-131,409.94

Finding the Fourth Proportional to 240,299.20, 331,619.88 and 131,409.94

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Solution

The fourth proportional to 240,299.20, 331,619.88 and 131,409.94 is: 181,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,299.20 : 331,619.88 = 131,409.94 : x
  2. Step 2: Convert to fraction form
    240,299.20/331,619.88 = 131,409.94/x
  3. Step 3: Cross multiply
    240,299.20x = 331,619.88 × 131,409.94
  4. Step 4: Simplify right side
    240,299.20x = 43,578,148,533.61
  5. Step 5: Solve for x
    x = 43,578,148,533.61/240,299.20
  6. Step 6: Final answer
    x = 181,349.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.