Finding the Fourth Proportional to 151,114.44, 208,538.02 and 83,136.62
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Solution
The fourth proportional to 151,114.44, 208,538.02 and 83,136.62 is: 114,728.59
Step by Step Solution
- Step 1: Write the proportion equation
151,114.44 : 208,538.02 = 83,136.62 : x - Step 2: Convert to fraction form
151,114.44/208,538.02 = 83,136.62/x - Step 3: Cross multiply
151,114.44x = 208,538.02 × 83,136.62 - Step 4: Simplify right side
151,114.44x = 17,337,146,124.29 - Step 5: Solve for x
x = 17,337,146,124.29/151,114.44 - Step 6: Final answer
x = 114,728.59
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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.