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Finding the Fourth Proportional to 436,991.54, 603,059.73 and 246,011.90

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Solution

The fourth proportional to 436,991.54, 603,059.73 and 246,011.90 is: 339,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,991.54 : 603,059.73 = 246,011.90 : x
  2. Step 2: Convert to fraction form
    436,991.54/603,059.73 = 246,011.90/x
  3. Step 3: Cross multiply
    436,991.54x = 603,059.73 × 246,011.90
  4. Step 4: Simplify right side
    436,991.54x = 148,359,869,990.79
  5. Step 5: Solve for x
    x = 148,359,869,990.79/436,991.54
  6. Step 6: Final answer
    x = 339,502.84

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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.