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Finding the Fourth Proportional to 235,803.98, 353,597.40 and 75,850.38

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Solution

The fourth proportional to 235,803.98, 353,597.40 and 75,850.38 is: 113,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,803.98 : 353,597.40 = 75,850.38 : x
  2. Step 2: Convert to fraction form
    235,803.98/353,597.40 = 75,850.38/x
  3. Step 3: Cross multiply
    235,803.98x = 353,597.40 × 75,850.38
  4. Step 4: Simplify right side
    235,803.98x = 26,820,497,157.01
  5. Step 5: Solve for x
    x = 26,820,497,157.01/235,803.98
  6. Step 6: Final answer
    x = 113,740.65

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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.