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Finding the Fourth Proportional to 247,101.37, 340,996.83 and 133,921.69

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Solution

The fourth proportional to 247,101.37, 340,996.83 and 133,921.69 is: 184,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,101.37 : 340,996.83 = 133,921.69 : x
  2. Step 2: Convert to fraction form
    247,101.37/340,996.83 = 133,921.69/x
  3. Step 3: Cross multiply
    247,101.37x = 340,996.83 × 133,921.69
  4. Step 4: Simplify right side
    247,101.37x = 45,666,871,758.24
  5. Step 5: Solve for x
    x = 45,666,871,758.24/247,101.37
  6. Step 6: Final answer
    x = 184,810.27

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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.