Home / 214,528.13-321,840.03-70,440.37

Finding the Fourth Proportional to 214,528.13, 321,840.03 and 70,440.37

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Solution

The fourth proportional to 214,528.13, 321,840.03 and 70,440.37 is: 105,676.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,528.13 : 321,840.03 = 70,440.37 : x
  2. Step 2: Convert to fraction form
    214,528.13/321,840.03 = 70,440.37/x
  3. Step 3: Cross multiply
    214,528.13x = 321,840.03 × 70,440.37
  4. Step 4: Simplify right side
    214,528.13x = 22,670,530,794.01
  5. Step 5: Solve for x
    x = 22,670,530,794.01/214,528.13
  6. Step 6: Final answer
    x = 105,676.26

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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.