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Finding the Fourth Proportional to 483,362.10, 725,043.15 and 306,069.30

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Solution

The fourth proportional to 483,362.10, 725,043.15 and 306,069.30 is: 459,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,362.10 : 725,043.15 = 306,069.30 : x
  2. Step 2: Convert to fraction form
    483,362.10/725,043.15 = 306,069.30/x
  3. Step 3: Cross multiply
    483,362.10x = 725,043.15 × 306,069.30
  4. Step 4: Simplify right side
    483,362.10x = 221,913,449,390.30
  5. Step 5: Solve for x
    x = 221,913,449,390.30/483,362.10
  6. Step 6: Final answer
    x = 459,103.95

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Similar ratio
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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.