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Finding the Fourth Proportional to 477,597.43, 659,089.92 and 273,644.26

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Solution

The fourth proportional to 477,597.43, 659,089.92 and 273,644.26 is: 377,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,597.43 : 659,089.92 = 273,644.26 : x
  2. Step 2: Convert to fraction form
    477,597.43/659,089.92 = 273,644.26/x
  3. Step 3: Cross multiply
    477,597.43x = 659,089.92 × 273,644.26
  4. Step 4: Simplify right side
    477,597.43x = 180,356,172,810.30
  5. Step 5: Solve for x
    x = 180,356,172,810.30/477,597.43
  6. Step 6: Final answer
    x = 377,632.21

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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.