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Finding the Fourth Proportional to 477,499.51, 659,042.94 and 273,687.06

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Solution

The fourth proportional to 477,499.51, 659,042.94 and 273,687.06 is: 377,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,499.51 : 659,042.94 = 273,687.06 : x
  2. Step 2: Convert to fraction form
    477,499.51/659,042.94 = 273,687.06/x
  3. Step 3: Cross multiply
    477,499.51x = 659,042.94 × 273,687.06
  4. Step 4: Simplify right side
    477,499.51x = 180,371,524,662.36
  5. Step 5: Solve for x
    x = 180,371,524,662.36/477,499.51
  6. Step 6: Final answer
    x = 377,741.80

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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.