Home / 246,319.43-339,929.21-142,945.63

Finding the Fourth Proportional to 246,319.43, 339,929.21 and 142,945.63

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Solution

The fourth proportional to 246,319.43, 339,929.21 and 142,945.63 is: 197,269.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,319.43 : 339,929.21 = 142,945.63 : x
  2. Step 2: Convert to fraction form
    246,319.43/339,929.21 = 142,945.63/x
  3. Step 3: Cross multiply
    246,319.43x = 339,929.21 × 142,945.63
  4. Step 4: Simplify right side
    246,319.43x = 48,591,392,868.45
  5. Step 5: Solve for x
    x = 48,591,392,868.45/246,319.43
  6. Step 6: Final answer
    x = 197,269.83

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1.5x scale

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.