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Finding the Fourth Proportional to 567,655.68, 851,487 and 168,300.24

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Solution

The fourth proportional to 567,655.68, 851,487 and 168,300.24 is: 252,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,655.68 : 851,487 = 168,300.24 : x
  2. Step 2: Convert to fraction form
    567,655.68/851,487 = 168,300.24/x
  3. Step 3: Cross multiply
    567,655.68x = 851,487 × 168,300.24
  4. Step 4: Simplify right side
    567,655.68x = 143,305,466,456.88
  5. Step 5: Solve for x
    x = 143,305,466,456.88/567,655.68
  6. Step 6: Final answer
    x = 252,451.39

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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.