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Finding the Fourth Proportional to 331,113.94, 496,675.67 and 94,456.64

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Solution

The fourth proportional to 331,113.94, 496,675.67 and 94,456.64 is: 141,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,113.94 : 496,675.67 = 94,456.64 : x
  2. Step 2: Convert to fraction form
    331,113.94/496,675.67 = 94,456.64/x
  3. Step 3: Cross multiply
    331,113.94x = 496,675.67 × 94,456.64
  4. Step 4: Simplify right side
    331,113.94x = 46,914,315,727.35
  5. Step 5: Solve for x
    x = 46,914,315,727.35/331,113.94
  6. Step 6: Final answer
    x = 141,686.32

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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.