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Finding the Fourth Proportional to 400,883, 601,373.94 and 131,004.76

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Solution

The fourth proportional to 400,883, 601,373.94 and 131,004.76 is: 196,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,883 : 601,373.94 = 131,004.76 : x
  2. Step 2: Convert to fraction form
    400,883/601,373.94 = 131,004.76/x
  3. Step 3: Cross multiply
    400,883x = 601,373.94 × 131,004.76
  4. Step 4: Simplify right side
    400,883x = 78,782,848,679.95
  5. Step 5: Solve for x
    x = 78,782,848,679.95/400,883
  6. Step 6: Final answer
    x = 196,523.30

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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.