Home / 214,270.68-321,466.20-79,332.72

Finding the Fourth Proportional to 214,270.68, 321,466.20 and 79,332.72

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Solution

The fourth proportional to 214,270.68, 321,466.20 and 79,332.72 is: 119,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,270.68 : 321,466.20 = 79,332.72 : x
  2. Step 2: Convert to fraction form
    214,270.68/321,466.20 = 79,332.72/x
  3. Step 3: Cross multiply
    214,270.68x = 321,466.20 × 79,332.72
  4. Step 4: Simplify right side
    214,270.68x = 25,502,788,034.06
  5. Step 5: Solve for x
    x = 25,502,788,034.06/214,270.68
  6. Step 6: Final answer
    x = 119,021.36

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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.