Finding the Fourth Proportional to 201,814.75, 278,537.16 and 116,981.02
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Solution
The fourth proportional to 201,814.75, 278,537.16 and 116,981.02 is: 161,452.82
Step by Step Solution
- Step 1: Write the proportion equation
201,814.75 : 278,537.16 = 116,981.02 : x - Step 2: Convert to fraction form
201,814.75/278,537.16 = 116,981.02/x - Step 3: Cross multiply
201,814.75x = 278,537.16 × 116,981.02 - Step 4: Simplify right side
201,814.75x = 32,583,561,084.70 - Step 5: Solve for x
x = 32,583,561,084.70/201,814.75 - Step 6: Final answer
x = 161,452.82
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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.