Home / 275,918.04-380,870.94-161,233.96

Finding the Fourth Proportional to 275,918.04, 380,870.94 and 161,233.96

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Solution

The fourth proportional to 275,918.04, 380,870.94 and 161,233.96 is: 222,563.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,918.04 : 380,870.94 = 161,233.96 : x
  2. Step 2: Convert to fraction form
    275,918.04/380,870.94 = 161,233.96/x
  3. Step 3: Cross multiply
    275,918.04x = 380,870.94 × 161,233.96
  4. Step 4: Simplify right side
    275,918.04x = 61,409,329,905.12
  5. Step 5: Solve for x
    x = 61,409,329,905.12/275,918.04
  6. Step 6: Final answer
    x = 222,563.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.