Finding the Fourth Proportional to 351,067.12, 484,471.55 and 189,922.13
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Solution
The fourth proportional to 351,067.12, 484,471.55 and 189,922.13 is: 262,091.96
Step by Step Solution
- Step 1: Write the proportion equation
351,067.12 : 484,471.55 = 189,922.13 : x - Step 2: Convert to fraction form
351,067.12/484,471.55 = 189,922.13/x - Step 3: Cross multiply
351,067.12x = 484,471.55 × 189,922.13 - Step 4: Simplify right side
351,067.12x = 92,011,868,569.62 - Step 5: Solve for x
x = 92,011,868,569.62/351,067.12 - Step 6: Final answer
x = 262,091.96
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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.