Home / 214,229.48-321,372.16-79,275.17

Finding the Fourth Proportional to 214,229.48, 321,372.16 and 79,275.17

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Solution

The fourth proportional to 214,229.48, 321,372.16 and 79,275.17 is: 118,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,229.48 : 321,372.16 = 79,275.17 : x
  2. Step 2: Convert to fraction form
    214,229.48/321,372.16 = 79,275.17/x
  3. Step 3: Cross multiply
    214,229.48x = 321,372.16 × 79,275.17
  4. Step 4: Simplify right side
    214,229.48x = 25,476,833,222.51
  5. Step 5: Solve for x
    x = 25,476,833,222.51/214,229.48
  6. Step 6: Final answer
    x = 118,923.10

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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.