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Finding the Fourth Proportional to 550,588.58, 825,636.83 and 213,517.20

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Solution

The fourth proportional to 550,588.58, 825,636.83 and 213,517.20 is: 320,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,588.58 : 825,636.83 = 213,517.20 : x
  2. Step 2: Convert to fraction form
    550,588.58/825,636.83 = 213,517.20/x
  3. Step 3: Cross multiply
    550,588.58x = 825,636.83 × 213,517.20
  4. Step 4: Simplify right side
    550,588.58x = 176,287,663,090.89
  5. Step 5: Solve for x
    x = 176,287,663,090.89/550,588.58
  6. Step 6: Final answer
    x = 320,180.39

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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.