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Finding the Fourth Proportional to 331,034.96, 496,641 and 94,398.32

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Solution

The fourth proportional to 331,034.96, 496,641 and 94,398.32 is: 141,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,034.96 : 496,641 = 94,398.32 : x
  2. Step 2: Convert to fraction form
    331,034.96/496,641 = 94,398.32/x
  3. Step 3: Cross multiply
    331,034.96x = 496,641 × 94,398.32
  4. Step 4: Simplify right side
    331,034.96x = 46,882,076,043.12
  5. Step 5: Solve for x
    x = 46,882,076,043.12/331,034.96
  6. Step 6: Final answer
    x = 141,622.73

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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.