Home / 214,397.08-321,608.98-72,230.54

Finding the Fourth Proportional to 214,397.08, 321,608.98 and 72,230.54

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Solution

The fourth proportional to 214,397.08, 321,608.98 and 72,230.54 is: 108,350.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,397.08 : 321,608.98 = 72,230.54 : x
  2. Step 2: Convert to fraction form
    214,397.08/321,608.98 = 72,230.54/x
  3. Step 3: Cross multiply
    214,397.08x = 321,608.98 × 72,230.54
  4. Step 4: Simplify right side
    214,397.08x = 23,229,988,776.49
  5. Step 5: Solve for x
    x = 23,229,988,776.49/214,397.08
  6. Step 6: Final answer
    x = 108,350.31

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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.