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Finding the Fourth Proportional to 299,352.60, 447,935.40 and 220,620.60

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Solution

The fourth proportional to 299,352.60, 447,935.40 and 220,620.60 is: 330,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,352.60 : 447,935.40 = 220,620.60 : x
  2. Step 2: Convert to fraction form
    299,352.60/447,935.40 = 220,620.60/x
  3. Step 3: Cross multiply
    299,352.60x = 447,935.40 × 220,620.60
  4. Step 4: Simplify right side
    299,352.60x = 98,823,776,709.24
  5. Step 5: Solve for x
    x = 98,823,776,709.24/299,352.60
  6. Step 6: Final answer
    x = 330,125.00

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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.