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Finding the Fourth Proportional to 150,475.98, 207,651.34 and 82,491.46

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Solution

The fourth proportional to 150,475.98, 207,651.34 and 82,491.46 is: 113,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,475.98 : 207,651.34 = 82,491.46 : x
  2. Step 2: Convert to fraction form
    150,475.98/207,651.34 = 82,491.46/x
  3. Step 3: Cross multiply
    150,475.98x = 207,651.34 × 82,491.46
  4. Step 4: Simplify right side
    150,475.98x = 17,129,462,181.56
  5. Step 5: Solve for x
    x = 17,129,462,181.56/150,475.98
  6. Step 6: Final answer
    x = 113,835.19

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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.