Home / 302,912.10-418,002.43-166,918.96

Finding the Fourth Proportional to 302,912.10, 418,002.43 and 166,918.96

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Solution

The fourth proportional to 302,912.10, 418,002.43 and 166,918.96 is: 230,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,912.10 : 418,002.43 = 166,918.96 : x
  2. Step 2: Convert to fraction form
    302,912.10/418,002.43 = 166,918.96/x
  3. Step 3: Cross multiply
    302,912.10x = 418,002.43 × 166,918.96
  4. Step 4: Simplify right side
    302,912.10x = 69,772,530,893.07
  5. Step 5: Solve for x
    x = 69,772,530,893.07/302,912.10
  6. Step 6: Final answer
    x = 230,339.20

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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.