Home / 300,945.20-415,309.08-180,091.56

Finding the Fourth Proportional to 300,945.20, 415,309.08 and 180,091.56

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Solution

The fourth proportional to 300,945.20, 415,309.08 and 180,091.56 is: 248,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,945.20 : 415,309.08 = 180,091.56 : x
  2. Step 2: Convert to fraction form
    300,945.20/415,309.08 = 180,091.56/x
  3. Step 3: Cross multiply
    300,945.20x = 415,309.08 × 180,091.56
  4. Step 4: Simplify right side
    300,945.20x = 74,793,660,099.36
  5. Step 5: Solve for x
    x = 74,793,660,099.36/300,945.20
  6. Step 6: Final answer
    x = 248,529.17

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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.