Home / 295,218.20-442,827.30-272,408.60

Finding the Fourth Proportional to 295,218.20, 442,827.30 and 272,408.60

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Solution

The fourth proportional to 295,218.20, 442,827.30 and 272,408.60 is: 408,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,218.20 : 442,827.30 = 272,408.60 : x
  2. Step 2: Convert to fraction form
    295,218.20/442,827.30 = 272,408.60/x
  3. Step 3: Cross multiply
    295,218.20x = 442,827.30 × 272,408.60
  4. Step 4: Simplify right side
    295,218.20x = 120,629,964,834.78
  5. Step 5: Solve for x
    x = 120,629,964,834.78/295,218.20
  6. Step 6: Final answer
    x = 408,612.90

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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.