Home / 855,160.69-1,282,940.52-247,961.68

Finding the Fourth Proportional to 855,160.69, 1,282,940.52 and 247,961.68

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Solution

The fourth proportional to 855,160.69, 1,282,940.52 and 247,961.68 is: 372,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,160.69 : 1,282,940.52 = 247,961.68 : x
  2. Step 2: Convert to fraction form
    855,160.69/1,282,940.52 = 247,961.68/x
  3. Step 3: Cross multiply
    855,160.69x = 1,282,940.52 × 247,961.68
  4. Step 4: Simplify right side
    855,160.69x = 318,120,086,679.27
  5. Step 5: Solve for x
    x = 318,120,086,679.27/855,160.69
  6. Step 6: Final answer
    x = 372,000.36

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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.