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Finding the Fourth Proportional to 331,066.26, 496,603.91 and 94,408.90

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Solution

The fourth proportional to 331,066.26, 496,603.91 and 94,408.90 is: 141,614.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,066.26 : 496,603.91 = 94,408.90 : x
  2. Step 2: Convert to fraction form
    331,066.26/496,603.91 = 94,408.90/x
  3. Step 3: Cross multiply
    331,066.26x = 496,603.91 × 94,408.90
  4. Step 4: Simplify right side
    331,066.26x = 46,883,827,873.31
  5. Step 5: Solve for x
    x = 46,883,827,873.31/331,066.26
  6. Step 6: Final answer
    x = 141,614.64

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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.