Home / 362,489.05-543,434.20-159,940.94

Finding the Fourth Proportional to 362,489.05, 543,434.20 and 159,940.94

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Solution

The fourth proportional to 362,489.05, 543,434.20 and 159,940.94 is: 239,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,489.05 : 543,434.20 = 159,940.94 : x
  2. Step 2: Convert to fraction form
    362,489.05/543,434.20 = 159,940.94/x
  3. Step 3: Cross multiply
    362,489.05x = 543,434.20 × 159,940.94
  4. Step 4: Simplify right side
    362,489.05x = 86,917,377,734.88
  5. Step 5: Solve for x
    x = 86,917,377,734.88/362,489.05
  6. Step 6: Final answer
    x = 239,779.32

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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.