Home / 378,945.70-567,926.23-154,044.18

Finding the Fourth Proportional to 378,945.70, 567,926.23 and 154,044.18

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Solution

The fourth proportional to 378,945.70, 567,926.23 and 154,044.18 is: 230,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,945.70 : 567,926.23 = 154,044.18 : x
  2. Step 2: Convert to fraction form
    378,945.70/567,926.23 = 154,044.18/x
  3. Step 3: Cross multiply
    378,945.70x = 567,926.23 × 154,044.18
  4. Step 4: Simplify right side
    378,945.70x = 87,485,726,790.99
  5. Step 5: Solve for x
    x = 87,485,726,790.99/378,945.70
  6. Step 6: Final answer
    x = 230,866.13

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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.