Home / 302,905.70-418,008.49-166,939.35

Finding the Fourth Proportional to 302,905.70, 418,008.49 and 166,939.35

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Solution

The fourth proportional to 302,905.70, 418,008.49 and 166,939.35 is: 230,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,905.70 : 418,008.49 = 166,939.35 : x
  2. Step 2: Convert to fraction form
    302,905.70/418,008.49 = 166,939.35/x
  3. Step 3: Cross multiply
    302,905.70x = 418,008.49 × 166,939.35
  4. Step 4: Simplify right side
    302,905.70x = 69,782,062,690.34
  5. Step 5: Solve for x
    x = 69,782,062,690.34/302,905.70
  6. Step 6: Final answer
    x = 230,375.54

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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.