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Finding the Fourth Proportional to 235,537.38, 353,317.01 and 75,619.83

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Solution

The fourth proportional to 235,537.38, 353,317.01 and 75,619.83 is: 113,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,537.38 : 353,317.01 = 75,619.83 : x
  2. Step 2: Convert to fraction form
    235,537.38/353,317.01 = 75,619.83/x
  3. Step 3: Cross multiply
    235,537.38x = 353,317.01 × 75,619.83
  4. Step 4: Simplify right side
    235,537.38x = 26,717,771,854.21
  5. Step 5: Solve for x
    x = 26,717,771,854.21/235,537.38
  6. Step 6: Final answer
    x = 113,433.26

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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.