Home / 246,289.30-339,874.40-138,857.18

Finding the Fourth Proportional to 246,289.30, 339,874.40 and 138,857.18

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Solution

The fourth proportional to 246,289.30, 339,874.40 and 138,857.18 is: 191,620.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,289.30 : 339,874.40 = 138,857.18 : x
  2. Step 2: Convert to fraction form
    246,289.30/339,874.40 = 138,857.18/x
  3. Step 3: Cross multiply
    246,289.30x = 339,874.40 × 138,857.18
  4. Step 4: Simplify right side
    246,289.30x = 47,194,000,738.19
  5. Step 5: Solve for x
    x = 47,194,000,738.19/246,289.30
  6. Step 6: Final answer
    x = 191,620.18

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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.