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Finding the Fourth Proportional to 499,765.67, 749,647.89 and 162,805.77

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Solution

The fourth proportional to 499,765.67, 749,647.89 and 162,805.77 is: 244,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,765.67 : 749,647.89 = 162,805.77 : x
  2. Step 2: Convert to fraction form
    499,765.67/749,647.89 = 162,805.77/x
  3. Step 3: Cross multiply
    499,765.67x = 749,647.89 × 162,805.77
  4. Step 4: Simplify right side
    499,765.67x = 122,047,001,960.33
  5. Step 5: Solve for x
    x = 122,047,001,960.33/499,765.67
  6. Step 6: Final answer
    x = 244,208.46

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Similar ratio
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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.