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Finding the Fourth Proportional to 247,960.77, 342,223.28 and 151,220.75

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Solution

The fourth proportional to 247,960.77, 342,223.28 and 151,220.75 is: 208,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,960.77 : 342,223.28 = 151,220.75 : x
  2. Step 2: Convert to fraction form
    247,960.77/342,223.28 = 151,220.75/x
  3. Step 3: Cross multiply
    247,960.77x = 342,223.28 × 151,220.75
  4. Step 4: Simplify right side
    247,960.77x = 51,751,258,601.84
  5. Step 5: Solve for x
    x = 51,751,258,601.84/247,960.77
  6. Step 6: Final answer
    x = 208,707.44

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1.5x scale

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.