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Finding the Fourth Proportional to 302,873.38, 454,311.89 and 92,511.32

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Solution

The fourth proportional to 302,873.38, 454,311.89 and 92,511.32 is: 138,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,873.38 : 454,311.89 = 92,511.32 : x
  2. Step 2: Convert to fraction form
    302,873.38/454,311.89 = 92,511.32/x
  3. Step 3: Cross multiply
    302,873.38x = 454,311.89 × 92,511.32
  4. Step 4: Simplify right side
    302,873.38x = 42,028,990,248.40
  5. Step 5: Solve for x
    x = 42,028,990,248.40/302,873.38
  6. Step 6: Final answer
    x = 138,767.53

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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.