Home / 212,995.26-319,438.17-63,200.12

Finding the Fourth Proportional to 212,995.26, 319,438.17 and 63,200.12

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Solution

The fourth proportional to 212,995.26, 319,438.17 and 63,200.12 is: 94,783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,995.26 : 319,438.17 = 63,200.12 : x
  2. Step 2: Convert to fraction form
    212,995.26/319,438.17 = 63,200.12/x
  3. Step 3: Cross multiply
    212,995.26x = 319,438.17 × 63,200.12
  4. Step 4: Simplify right side
    212,995.26x = 20,188,529,079.39
  5. Step 5: Solve for x
    x = 20,188,529,079.39/212,995.26
  6. Step 6: Final answer
    x = 94,783.94

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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.