Home / 214,424.66-321,231.02-143,132.32

Finding the Fourth Proportional to 214,424.66, 321,231.02 and 143,132.32

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Solution

The fourth proportional to 214,424.66, 321,231.02 and 143,132.32 is: 214,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,424.66 : 321,231.02 = 143,132.32 : x
  2. Step 2: Convert to fraction form
    214,424.66/321,231.02 = 143,132.32/x
  3. Step 3: Cross multiply
    214,424.66x = 321,231.02 × 143,132.32
  4. Step 4: Simplify right side
    214,424.66x = 45,978,541,148.57
  5. Step 5: Solve for x
    x = 45,978,541,148.57/214,424.66
  6. Step 6: Final answer
    x = 214,427.49

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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.