Home / 320,272.14-479,708.37-162,229.26

Finding the Fourth Proportional to 320,272.14, 479,708.37 and 162,229.26

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Solution

The fourth proportional to 320,272.14, 479,708.37 and 162,229.26 is: 242,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,272.14 : 479,708.37 = 162,229.26 : x
  2. Step 2: Convert to fraction form
    320,272.14/479,708.37 = 162,229.26/x
  3. Step 3: Cross multiply
    320,272.14x = 479,708.37 × 162,229.26
  4. Step 4: Simplify right side
    320,272.14x = 77,822,733,880.91
  5. Step 5: Solve for x
    x = 77,822,733,880.91/320,272.14
  6. Step 6: Final answer
    x = 242,989.40

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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.