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Finding the Fourth Proportional to 246,160.80, 339,709.02 and 138,724.92

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Solution

The fourth proportional to 246,160.80, 339,709.02 and 138,724.92 is: 191,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,160.80 : 339,709.02 = 138,724.92 : x
  2. Step 2: Convert to fraction form
    246,160.80/339,709.02 = 138,724.92/x
  3. Step 3: Cross multiply
    246,160.80x = 339,709.02 × 138,724.92
  4. Step 4: Simplify right side
    246,160.80x = 47,126,106,622.78
  5. Step 5: Solve for x
    x = 47,126,106,622.78/246,160.80
  6. Step 6: Final answer
    x = 191,444.40

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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.