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Finding the Fourth Proportional to 383,555.52, 574,633.44 and 214,194.24

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Solution

The fourth proportional to 383,555.52, 574,633.44 and 214,194.24 is: 320,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,555.52 : 574,633.44 = 214,194.24 : x
  2. Step 2: Convert to fraction form
    383,555.52/574,633.44 = 214,194.24/x
  3. Step 3: Cross multiply
    383,555.52x = 574,633.44 × 214,194.24
  4. Step 4: Simplify right side
    383,555.52x = 123,083,172,959.39
  5. Step 5: Solve for x
    x = 123,083,172,959.39/383,555.52
  6. Step 6: Final answer
    x = 320,900.54

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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.