Finding the Fourth Proportional to 151,655.44, 209,283.18 and 83,673.01
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Solution
The fourth proportional to 151,655.44, 209,283.18 and 83,673.01 is: 115,468.02
Step by Step Solution
- Step 1: Write the proportion equation
151,655.44 : 209,283.18 = 83,673.01 : x - Step 2: Convert to fraction form
151,655.44/209,283.18 = 83,673.01/x - Step 3: Cross multiply
151,655.44x = 209,283.18 × 83,673.01 - Step 4: Simplify right side
151,655.44x = 17,511,353,612.97 - Step 5: Solve for x
x = 17,511,353,612.97/151,655.44 - Step 6: Final answer
x = 115,468.02
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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.