Home / 442,664.70-664,083.45-189,944.70

Finding the Fourth Proportional to 442,664.70, 664,083.45 and 189,944.70

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Solution

The fourth proportional to 442,664.70, 664,083.45 and 189,944.70 is: 284,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,664.70 : 664,083.45 = 189,944.70 : x
  2. Step 2: Convert to fraction form
    442,664.70/664,083.45 = 189,944.70/x
  3. Step 3: Cross multiply
    442,664.70x = 664,083.45 × 189,944.70
  4. Step 4: Simplify right side
    442,664.70x = 126,139,131,685.22
  5. Step 5: Solve for x
    x = 126,139,131,685.22/442,664.70
  6. Step 6: Final answer
    x = 284,954.12

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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.