Home / 272,566.20-408,849.30-213,452.40

Finding the Fourth Proportional to 272,566.20, 408,849.30 and 213,452.40

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Solution

The fourth proportional to 272,566.20, 408,849.30 and 213,452.40 is: 320,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,566.20 : 408,849.30 = 213,452.40 : x
  2. Step 2: Convert to fraction form
    272,566.20/408,849.30 = 213,452.40/x
  3. Step 3: Cross multiply
    272,566.20x = 408,849.30 × 213,452.40
  4. Step 4: Simplify right side
    272,566.20x = 87,269,864,323.32
  5. Step 5: Solve for x
    x = 87,269,864,323.32/272,566.20
  6. Step 6: Final answer
    x = 320,178.60

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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.