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Finding the Fourth Proportional to 592,481.21, 888,511.62 and 213,300.12

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Solution

The fourth proportional to 592,481.21, 888,511.62 and 213,300.12 is: 319,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,481.21 : 888,511.62 = 213,300.12 : x
  2. Step 2: Convert to fraction form
    592,481.21/888,511.62 = 213,300.12/x
  3. Step 3: Cross multiply
    592,481.21x = 888,511.62 × 213,300.12
  4. Step 4: Simplify right side
    592,481.21x = 189,519,635,167.39
  5. Step 5: Solve for x
    x = 189,519,635,167.39/592,481.21
  6. Step 6: Final answer
    x = 319,874.51

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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.