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Finding the Fourth Proportional to 245,051.82, 367,250.67 and 130,965.75

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Solution

The fourth proportional to 245,051.82, 367,250.67 and 130,965.75 is: 196,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,051.82 : 367,250.67 = 130,965.75 : x
  2. Step 2: Convert to fraction form
    245,051.82/367,250.67 = 130,965.75/x
  3. Step 3: Cross multiply
    245,051.82x = 367,250.67 × 130,965.75
  4. Step 4: Simplify right side
    245,051.82x = 48,097,259,434.55
  5. Step 5: Solve for x
    x = 48,097,259,434.55/245,051.82
  6. Step 6: Final answer
    x = 196,273.83

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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.