Home / 294,914.20-442,371.30-272,104.60

Finding the Fourth Proportional to 294,914.20, 442,371.30 and 272,104.60

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Solution

The fourth proportional to 294,914.20, 442,371.30 and 272,104.60 is: 408,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,914.20 : 442,371.30 = 272,104.60 : x
  2. Step 2: Convert to fraction form
    294,914.20/442,371.30 = 272,104.60/x
  3. Step 3: Cross multiply
    294,914.20x = 442,371.30 × 272,104.60
  4. Step 4: Simplify right side
    294,914.20x = 120,371,265,637.98
  5. Step 5: Solve for x
    x = 120,371,265,637.98/294,914.20
  6. Step 6: Final answer
    x = 408,156.90

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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.