Home / 213,328.20-319,992.27-63,564.60

Finding the Fourth Proportional to 213,328.20, 319,992.27 and 63,564.60

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Solution

The fourth proportional to 213,328.20, 319,992.27 and 63,564.60 is: 95,346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,328.20 : 319,992.27 = 63,564.60 : x
  2. Step 2: Convert to fraction form
    213,328.20/319,992.27 = 63,564.60/x
  3. Step 3: Cross multiply
    213,328.20x = 319,992.27 × 63,564.60
  4. Step 4: Simplify right side
    213,328.20x = 20,340,180,645.64
  5. Step 5: Solve for x
    x = 20,340,180,645.64/213,328.20
  6. Step 6: Final answer
    x = 95,346.89

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1.5x scale

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.