Home / 214,407.12-321,626.12-56,633.52

Finding the Fourth Proportional to 214,407.12, 321,626.12 and 56,633.52

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Solution

The fourth proportional to 214,407.12, 321,626.12 and 56,633.52 is: 84,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,407.12 : 321,626.12 = 56,633.52 : x
  2. Step 2: Convert to fraction form
    214,407.12/321,626.12 = 56,633.52/x
  3. Step 3: Cross multiply
    214,407.12x = 321,626.12 × 56,633.52
  4. Step 4: Simplify right side
    214,407.12x = 18,214,819,299.54
  5. Step 5: Solve for x
    x = 18,214,819,299.54/214,407.12
  6. Step 6: Final answer
    x = 84,954.36

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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.