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Finding the Fourth Proportional to 213,202.92, 319,775.20 and 63,466.32

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Solution

The fourth proportional to 213,202.92, 319,775.20 and 63,466.32 is: 95,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,202.92 : 319,775.20 = 63,466.32 : x
  2. Step 2: Convert to fraction form
    213,202.92/319,775.20 = 63,466.32/x
  3. Step 3: Cross multiply
    213,202.92x = 319,775.20 × 63,466.32
  4. Step 4: Simplify right side
    213,202.92x = 20,294,955,171.26
  5. Step 5: Solve for x
    x = 20,294,955,171.26/213,202.92
  6. Step 6: Final answer
    x = 95,190.79

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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.