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Finding the Fourth Proportional to 567,388.61, 851,207.46 and 168,060.63

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Solution

The fourth proportional to 567,388.61, 851,207.46 and 168,060.63 is: 252,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,388.61 : 851,207.46 = 168,060.63 : x
  2. Step 2: Convert to fraction form
    567,388.61/851,207.46 = 168,060.63/x
  3. Step 3: Cross multiply
    567,388.61x = 851,207.46 × 168,060.63
  4. Step 4: Simplify right side
    567,388.61x = 143,054,461,988.30
  5. Step 5: Solve for x
    x = 143,054,461,988.30/567,388.61
  6. Step 6: Final answer
    x = 252,127.84

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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.