Home / 214,448.00-321,578.55-72,266.78

Finding the Fourth Proportional to 214,448.00, 321,578.55 and 72,266.78

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Solution

The fourth proportional to 214,448.00, 321,578.55 and 72,266.78 is: 108,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,448.00 : 321,578.55 = 72,266.78 : x
  2. Step 2: Convert to fraction form
    214,448.00/321,578.55 = 72,266.78/x
  3. Step 3: Cross multiply
    214,448.00x = 321,578.55 × 72,266.78
  4. Step 4: Simplify right side
    214,448.00x = 23,239,447,129.52
  5. Step 5: Solve for x
    x = 23,239,447,129.52/214,448.00
  6. Step 6: Final answer
    x = 108,368.68

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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.