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Finding the Fourth Proportional to 567,808, 851,856 and 212,823.04

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Solution

The fourth proportional to 567,808, 851,856 and 212,823.04 is: 319,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,808 : 851,856 = 212,823.04 : x
  2. Step 2: Convert to fraction form
    567,808/851,856 = 212,823.04/x
  3. Step 3: Cross multiply
    567,808x = 851,856 × 212,823.04
  4. Step 4: Simplify right side
    567,808x = 181,294,583,562.24
  5. Step 5: Solve for x
    x = 181,294,583,562.24/567,808
  6. Step 6: Final answer
    x = 319,288.53

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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.