Finding the Fourth Proportional to 151,505.64, 208,955.09 and 133,317.09
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Solution
The fourth proportional to 151,505.64, 208,955.09 and 133,317.09 is: 183,869.62
Step by Step Solution
- Step 1: Write the proportion equation
151,505.64 : 208,955.09 = 133,317.09 : x - Step 2: Convert to fraction form
151,505.64/208,955.09 = 133,317.09/x - Step 3: Cross multiply
151,505.64x = 208,955.09 × 133,317.09 - Step 4: Simplify right side
151,505.64x = 27,857,284,872.78 - Step 5: Solve for x
x = 27,857,284,872.78/151,505.64 - Step 6: Final answer
x = 183,869.62
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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.