Home / 323,983.92-446,945.40-210,765.36

Finding the Fourth Proportional to 323,983.92, 446,945.40 and 210,765.36

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Solution

The fourth proportional to 323,983.92, 446,945.40 and 210,765.36 is: 290,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,983.92 : 446,945.40 = 210,765.36 : x
  2. Step 2: Convert to fraction form
    323,983.92/446,945.40 = 210,765.36/x
  3. Step 3: Cross multiply
    323,983.92x = 446,945.40 × 210,765.36
  4. Step 4: Simplify right side
    323,983.92x = 94,200,608,131.34
  5. Step 5: Solve for x
    x = 94,200,608,131.34/323,983.92
  6. Step 6: Final answer
    x = 290,757.05

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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.