Finding the Fourth Proportional to 201,159.75, 301,307.68 and 189,382.75
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Solution
The fourth proportional to 201,159.75, 301,307.68 and 189,382.75 is: 283,667.47
Step by Step Solution
- Step 1: Write the proportion equation
201,159.75 : 301,307.68 = 189,382.75 : x - Step 2: Convert to fraction form
201,159.75/301,307.68 = 189,382.75/x - Step 3: Cross multiply
201,159.75x = 301,307.68 × 189,382.75 - Step 4: Simplify right side
201,159.75x = 57,062,477,034.52 - Step 5: Solve for x
x = 57,062,477,034.52/201,159.75 - Step 6: Final answer
x = 283,667.47
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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.