Home / 295,298.20-442,947.30-272,488.60

Finding the Fourth Proportional to 295,298.20, 442,947.30 and 272,488.60

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Solution

The fourth proportional to 295,298.20, 442,947.30 and 272,488.60 is: 408,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,298.20 : 442,947.30 = 272,488.60 : x
  2. Step 2: Convert to fraction form
    295,298.20/442,947.30 = 272,488.60/x
  3. Step 3: Cross multiply
    295,298.20x = 442,947.30 × 272,488.60
  4. Step 4: Simplify right side
    295,298.20x = 120,698,089,650.78
  5. Step 5: Solve for x
    x = 120,698,089,650.78/295,298.20
  6. Step 6: Final answer
    x = 408,732.90

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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.