Home / 214,483-321,746.38-74,241.22

Finding the Fourth Proportional to 214,483, 321,746.38 and 74,241.22

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Solution

The fourth proportional to 214,483, 321,746.38 and 74,241.22 is: 111,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,483 : 321,746.38 = 74,241.22 : x
  2. Step 2: Convert to fraction form
    214,483/321,746.38 = 74,241.22/x
  3. Step 3: Cross multiply
    214,483x = 321,746.38 × 74,241.22
  4. Step 4: Simplify right side
    214,483x = 23,886,843,781.78
  5. Step 5: Solve for x
    x = 23,886,843,781.78/214,483
  6. Step 6: Final answer
    x = 111,369.40

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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.