Home / 214,317.10-321,147.60-202,507.30

Finding the Fourth Proportional to 214,317.10, 321,147.60 and 202,507.30

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Solution

The fourth proportional to 214,317.10, 321,147.60 and 202,507.30 is: 303,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,317.10 : 321,147.60 = 202,507.30 : x
  2. Step 2: Convert to fraction form
    214,317.10/321,147.60 = 202,507.30/x
  3. Step 3: Cross multiply
    214,317.10x = 321,147.60 × 202,507.30
  4. Step 4: Simplify right side
    214,317.10x = 65,034,733,377.48
  5. Step 5: Solve for x
    x = 65,034,733,377.48/214,317.10
  6. Step 6: Final answer
    x = 303,450.98

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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.