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Finding the Fourth Proportional to 247,960.97, 342,223.53 and 151,220.94

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Solution

The fourth proportional to 247,960.97, 342,223.53 and 151,220.94 is: 208,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,960.97 : 342,223.53 = 151,220.94 : x
  2. Step 2: Convert to fraction form
    247,960.97/342,223.53 = 151,220.94/x
  3. Step 3: Cross multiply
    247,960.97x = 342,223.53 × 151,220.94
  4. Step 4: Simplify right side
    247,960.97x = 51,751,363,896.72
  5. Step 5: Solve for x
    x = 51,751,363,896.72/247,960.97
  6. Step 6: Final answer
    x = 208,707.70

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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.