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Finding the Fourth Proportional to 150,354.58, 207,489.34 and 82,373.98

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Solution

The fourth proportional to 150,354.58, 207,489.34 and 82,373.98 is: 113,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,354.58 : 207,489.34 = 82,373.98 : x
  2. Step 2: Convert to fraction form
    150,354.58/207,489.34 = 82,373.98/x
  3. Step 3: Cross multiply
    150,354.58x = 207,489.34 × 82,373.98
  4. Step 4: Simplify right side
    150,354.58x = 17,091,722,743.37
  5. Step 5: Solve for x
    x = 17,091,722,743.37/150,354.58
  6. Step 6: Final answer
    x = 113,676.10

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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.