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Finding the Fourth Proportional to 331,189.74, 496,773.18 and 94,532.40

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Solution

The fourth proportional to 331,189.74, 496,773.18 and 94,532.40 is: 141,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,189.74 : 496,773.18 = 94,532.40 : x
  2. Step 2: Convert to fraction form
    331,189.74/496,773.18 = 94,532.40/x
  3. Step 3: Cross multiply
    331,189.74x = 496,773.18 × 94,532.40
  4. Step 4: Simplify right side
    331,189.74x = 46,961,160,961.03
  5. Step 5: Solve for x
    x = 46,961,160,961.03/331,189.74
  6. Step 6: Final answer
    x = 141,795.34

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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.