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Finding the Fourth Proportional to 301,134, 451,727.16 and 79,518

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Solution

The fourth proportional to 301,134, 451,727.16 and 79,518 is: 119,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,134 : 451,727.16 = 79,518 : x
  2. Step 2: Convert to fraction form
    301,134/451,727.16 = 79,518/x
  3. Step 3: Cross multiply
    301,134x = 451,727.16 × 79,518
  4. Step 4: Simplify right side
    301,134x = 35,920,440,308.88
  5. Step 5: Solve for x
    x = 35,920,440,308.88/301,134
  6. Step 6: Final answer
    x = 119,283.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.