Finding the Fourth Proportional to 351,028.62, 484,416.49 and 198,067.98
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Solution
The fourth proportional to 351,028.62, 484,416.49 and 198,067.98 is: 273,332.12
Step by Step Solution
- Step 1: Write the proportion equation
351,028.62 : 484,416.49 = 198,067.98 : x - Step 2: Convert to fraction form
351,028.62/484,416.49 = 198,067.98/x - Step 3: Cross multiply
351,028.62x = 484,416.49 × 198,067.98 - Step 4: Simplify right side
351,028.62x = 95,947,395,652.99 - Step 5: Solve for x
x = 95,947,395,652.99/351,028.62 - Step 6: Final answer
x = 273,332.12
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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.