Home / 302,976.19-418,090.86-166,983.04

Finding the Fourth Proportional to 302,976.19, 418,090.86 and 166,983.04

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Solution

The fourth proportional to 302,976.19, 418,090.86 and 166,983.04 is: 230,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,976.19 : 418,090.86 = 166,983.04 : x
  2. Step 2: Convert to fraction form
    302,976.19/418,090.86 = 166,983.04/x
  3. Step 3: Cross multiply
    302,976.19x = 418,090.86 × 166,983.04
  4. Step 4: Simplify right side
    302,976.19x = 69,814,082,799.01
  5. Step 5: Solve for x
    x = 69,814,082,799.01/302,976.19
  6. Step 6: Final answer
    x = 230,427.62

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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.