Home / 400,976.98-601,415.24-131,082.50

Finding the Fourth Proportional to 400,976.98, 601,415.24 and 131,082.50

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Solution

The fourth proportional to 400,976.98, 601,415.24 and 131,082.50 is: 196,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,976.98 : 601,415.24 = 131,082.50 : x
  2. Step 2: Convert to fraction form
    400,976.98/601,415.24 = 131,082.50/x
  3. Step 3: Cross multiply
    400,976.98x = 601,415.24 × 131,082.50
  4. Step 4: Simplify right side
    400,976.98x = 78,835,011,790.12
  5. Step 5: Solve for x
    x = 78,835,011,790.12/400,976.98
  6. Step 6: Final answer
    x = 196,607.33

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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.