Home / 212,984.96-319,449.78-63,222.26

Finding the Fourth Proportional to 212,984.96, 319,449.78 and 63,222.26

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Solution

The fourth proportional to 212,984.96, 319,449.78 and 63,222.26 is: 94,825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,984.96 : 319,449.78 = 63,222.26 : x
  2. Step 2: Convert to fraction form
    212,984.96/319,449.78 = 63,222.26/x
  3. Step 3: Cross multiply
    212,984.96x = 319,449.78 × 63,222.26
  4. Step 4: Simplify right side
    212,984.96x = 20,196,337,048.10
  5. Step 5: Solve for x
    x = 20,196,337,048.10/212,984.96
  6. Step 6: Final answer
    x = 94,825.18

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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.