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Finding the Fourth Proportional to 235,552.80, 353,320.80 and 67,073.94

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Solution

The fourth proportional to 235,552.80, 353,320.80 and 67,073.94 is: 100,608.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,552.80 : 353,320.80 = 67,073.94 : x
  2. Step 2: Convert to fraction form
    235,552.80/353,320.80 = 67,073.94/x
  3. Step 3: Cross multiply
    235,552.80x = 353,320.80 × 67,073.94
  4. Step 4: Simplify right side
    235,552.80x = 23,698,618,139.95
  5. Step 5: Solve for x
    x = 23,698,618,139.95/235,552.80
  6. Step 6: Final answer
    x = 100,608.52

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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.