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Finding the Fourth Proportional to 235,915.26, 353,870.73 and 95,640.54

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Solution

The fourth proportional to 235,915.26, 353,870.73 and 95,640.54 is: 143,459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,915.26 : 353,870.73 = 95,640.54 : x
  2. Step 2: Convert to fraction form
    235,915.26/353,870.73 = 95,640.54/x
  3. Step 3: Cross multiply
    235,915.26x = 353,870.73 × 95,640.54
  4. Step 4: Simplify right side
    235,915.26x = 33,844,387,707.39
  5. Step 5: Solve for x
    x = 33,844,387,707.39/235,915.26
  6. Step 6: Final answer
    x = 143,459.93

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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.