Home / 644,945.88-967,415.76-165,172.74

Finding the Fourth Proportional to 644,945.88, 967,415.76 and 165,172.74

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Solution

The fourth proportional to 644,945.88, 967,415.76 and 165,172.74 is: 247,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,945.88 : 967,415.76 = 165,172.74 : x
  2. Step 2: Convert to fraction form
    644,945.88/967,415.76 = 165,172.74/x
  3. Step 3: Cross multiply
    644,945.88x = 967,415.76 × 165,172.74
  4. Step 4: Simplify right side
    644,945.88x = 159,790,711,798.38
  5. Step 5: Solve for x
    x = 159,790,711,798.38/644,945.88
  6. Step 6: Final answer
    x = 247,758.33

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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.