Finding the Fourth Proportional to 151,656.44, 209,284.56 and 83,674.02
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Solution
The fourth proportional to 151,656.44, 209,284.56 and 83,674.02 is: 115,469.42
Step by Step Solution
- Step 1: Write the proportion equation
151,656.44 : 209,284.56 = 83,674.02 : x - Step 2: Convert to fraction form
151,656.44/209,284.56 = 83,674.02/x - Step 3: Cross multiply
151,656.44x = 209,284.56 × 83,674.02 - Step 4: Simplify right side
151,656.44x = 17,511,680,459.13 - Step 5: Solve for x
x = 17,511,680,459.13/151,656.44 - Step 6: Final answer
x = 115,469.42
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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.