Finding the Fourth Proportional to 289,590.27, 399,397.62 and 203,833.14
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Solution
The fourth proportional to 289,590.27, 399,397.62 and 203,833.14 is: 281,122.95
Step by Step Solution
- Step 1: Write the proportion equation
289,590.27 : 399,397.62 = 203,833.14 : x - Step 2: Convert to fraction form
289,590.27/399,397.62 = 203,833.14/x - Step 3: Cross multiply
289,590.27x = 399,397.62 × 203,833.14 - Step 4: Simplify right side
289,590.27x = 81,410,470,993.13 - Step 5: Solve for x
x = 81,410,470,993.13/289,590.27 - Step 6: Final answer
x = 281,122.95
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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.