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Finding the Fourth Proportional to 214,167.68, 321,256.68 and 72,014.80

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Solution

The fourth proportional to 214,167.68, 321,256.68 and 72,014.80 is: 108,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,167.68 : 321,256.68 = 72,014.80 : x
  2. Step 2: Convert to fraction form
    214,167.68/321,256.68 = 72,014.80/x
  3. Step 3: Cross multiply
    214,167.68x = 321,256.68 × 72,014.80
  4. Step 4: Simplify right side
    214,167.68x = 23,135,235,558.86
  5. Step 5: Solve for x
    x = 23,135,235,558.86/214,167.68
  6. Step 6: Final answer
    x = 108,023.94

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1.5x scale

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.