Home / 214,277.18-321,475.95-79,339.22

Finding the Fourth Proportional to 214,277.18, 321,475.95 and 79,339.22

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Solution

The fourth proportional to 214,277.18, 321,475.95 and 79,339.22 is: 119,031.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,277.18 : 321,475.95 = 79,339.22 : x
  2. Step 2: Convert to fraction form
    214,277.18/321,475.95 = 79,339.22/x
  3. Step 3: Cross multiply
    214,277.18x = 321,475.95 × 79,339.22
  4. Step 4: Simplify right side
    214,277.18x = 25,505,651,121.76
  5. Step 5: Solve for x
    x = 25,505,651,121.76/214,277.18
  6. Step 6: Final answer
    x = 119,031.11

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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.