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Finding the Fourth Proportional to 299,695.20, 448,230.60 and 228,836.40

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Solution

The fourth proportional to 299,695.20, 448,230.60 and 228,836.40 is: 342,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,695.20 : 448,230.60 = 228,836.40 : x
  2. Step 2: Convert to fraction form
    299,695.20/448,230.60 = 228,836.40/x
  3. Step 3: Cross multiply
    299,695.20x = 448,230.60 × 228,836.40
  4. Step 4: Simplify right side
    299,695.20x = 102,571,476,873.84
  5. Step 5: Solve for x
    x = 102,571,476,873.84/299,695.20
  6. Step 6: Final answer
    x = 342,252.65

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1.5x scale

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.