Home / 830,436.67-1,245,654.96-199,350.48

Finding the Fourth Proportional to 830,436.67, 1,245,654.96 and 199,350.48

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Solution

The fourth proportional to 830,436.67, 1,245,654.96 and 199,350.48 is: 299,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,436.67 : 1,245,654.96 = 199,350.48 : x
  2. Step 2: Convert to fraction form
    830,436.67/1,245,654.96 = 199,350.48/x
  3. Step 3: Cross multiply
    830,436.67x = 1,245,654.96 × 199,350.48
  4. Step 4: Simplify right side
    830,436.67x = 248,321,918,114.02
  5. Step 5: Solve for x
    x = 248,321,918,114.02/830,436.67
  6. Step 6: Final answer
    x = 299,025.71

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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.