Home / 301,219.97-451,827.52-76,581.05

Finding the Fourth Proportional to 301,219.97, 451,827.52 and 76,581.05

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Solution

The fourth proportional to 301,219.97, 451,827.52 and 76,581.05 is: 114,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,219.97 : 451,827.52 = 76,581.05 : x
  2. Step 2: Convert to fraction form
    301,219.97/451,827.52 = 76,581.05/x
  3. Step 3: Cross multiply
    301,219.97x = 451,827.52 × 76,581.05
  4. Step 4: Simplify right side
    301,219.97x = 34,601,423,449.91
  5. Step 5: Solve for x
    x = 34,601,423,449.91/301,219.97
  6. Step 6: Final answer
    x = 114,870.95

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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.