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Finding the Fourth Proportional to 567,342.37, 851,016.30 and 167,990.68

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Solution

The fourth proportional to 567,342.37, 851,016.30 and 167,990.68 is: 251,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,342.37 : 851,016.30 = 167,990.68 : x
  2. Step 2: Convert to fraction form
    567,342.37/851,016.30 = 167,990.68/x
  3. Step 3: Cross multiply
    567,342.37x = 851,016.30 × 167,990.68
  4. Step 4: Simplify right side
    567,342.37x = 142,962,806,928.08
  5. Step 5: Solve for x
    x = 142,962,806,928.08/567,342.37
  6. Step 6: Final answer
    x = 251,986.83

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Similar ratio
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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.