Home / 272,564.20-408,846.30-213,450.40

Finding the Fourth Proportional to 272,564.20, 408,846.30 and 213,450.40

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Solution

The fourth proportional to 272,564.20, 408,846.30 and 213,450.40 is: 320,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,564.20 : 408,846.30 = 213,450.40 : x
  2. Step 2: Convert to fraction form
    272,564.20/408,846.30 = 213,450.40/x
  3. Step 3: Cross multiply
    272,564.20x = 408,846.30 × 213,450.40
  4. Step 4: Simplify right side
    272,564.20x = 87,268,406,273.52
  5. Step 5: Solve for x
    x = 87,268,406,273.52/272,564.20
  6. Step 6: Final answer
    x = 320,175.60

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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.