Finding the Fourth Proportional to 228,690.21, 343,349.49 and 116,445.81
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Solution
The fourth proportional to 228,690.21, 343,349.49 and 116,445.81 is: 174,828.69
Step by Step Solution
- Step 1: Write the proportion equation
228,690.21 : 343,349.49 = 116,445.81 : x - Step 2: Convert to fraction form
228,690.21/343,349.49 = 116,445.81/x - Step 3: Cross multiply
228,690.21x = 343,349.49 × 116,445.81 - Step 4: Simplify right side
228,690.21x = 39,981,609,476.14 - Step 5: Solve for x
x = 39,981,609,476.14/228,690.21 - Step 6: Final answer
x = 174,828.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.