Home / 648,251.78-972,377.70-174,936.38

Finding the Fourth Proportional to 648,251.78, 972,377.70 and 174,936.38

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Solution

The fourth proportional to 648,251.78, 972,377.70 and 174,936.38 is: 262,404.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,251.78 : 972,377.70 = 174,936.38 : x
  2. Step 2: Convert to fraction form
    648,251.78/972,377.70 = 174,936.38/x
  3. Step 3: Cross multiply
    648,251.78x = 972,377.70 × 174,936.38
  4. Step 4: Simplify right side
    648,251.78x = 170,104,234,830.73
  5. Step 5: Solve for x
    x = 170,104,234,830.73/648,251.78
  6. Step 6: Final answer
    x = 262,404.58

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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.