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Finding the Fourth Proportional to 235,626.89, 353,473.16 and 75,707.65

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Solution

The fourth proportional to 235,626.89, 353,473.16 and 75,707.65 is: 113,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,626.89 : 353,473.16 = 75,707.65 : x
  2. Step 2: Convert to fraction form
    235,626.89/353,473.16 = 75,707.65/x
  3. Step 3: Cross multiply
    235,626.89x = 353,473.16 × 75,707.65
  4. Step 4: Simplify right side
    235,626.89x = 26,760,620,703.58
  5. Step 5: Solve for x
    x = 26,760,620,703.58/235,626.89
  6. Step 6: Final answer
    x = 113,572.02

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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.