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Finding the Fourth Proportional to 567,422.30, 851,257.98 and 168,094.32

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Solution

The fourth proportional to 567,422.30, 851,257.98 and 168,094.32 is: 252,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,422.30 : 851,257.98 = 168,094.32 : x
  2. Step 2: Convert to fraction form
    567,422.30/851,257.98 = 168,094.32/x
  3. Step 3: Cross multiply
    567,422.30x = 851,257.98 × 168,094.32
  4. Step 4: Simplify right side
    567,422.30x = 143,091,631,292.67
  5. Step 5: Solve for x
    x = 143,091,631,292.67/567,422.30
  6. Step 6: Final answer
    x = 252,178.37

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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.