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Finding the Fourth Proportional to 247,073.37, 340,961.54 and 133,896.12

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Solution

The fourth proportional to 247,073.37, 340,961.54 and 133,896.12 is: 184,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,073.37 : 340,961.54 = 133,896.12 : x
  2. Step 2: Convert to fraction form
    247,073.37/340,961.54 = 133,896.12/x
  3. Step 3: Cross multiply
    247,073.37x = 340,961.54 × 133,896.12
  4. Step 4: Simplify right side
    247,073.37x = 45,653,427,275.22
  5. Step 5: Solve for x
    x = 45,653,427,275.22/247,073.37
  6. Step 6: Final answer
    x = 184,776.80

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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.