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Finding the Fourth Proportional to 235,543.82, 353,317.87 and 67,064.03

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Solution

The fourth proportional to 235,543.82, 353,317.87 and 67,064.03 is: 100,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,543.82 : 353,317.87 = 67,064.03 : x
  2. Step 2: Convert to fraction form
    235,543.82/353,317.87 = 67,064.03/x
  3. Step 3: Cross multiply
    235,543.82x = 353,317.87 × 67,064.03
  4. Step 4: Simplify right side
    235,543.82x = 23,694,918,466.63
  5. Step 5: Solve for x
    x = 23,694,918,466.63/235,543.82
  6. Step 6: Final answer
    x = 100,596.65

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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.