Finding the Fourth Proportional to 164,908.62, 246,989.16 and 129,147.03
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Solution
The fourth proportional to 164,908.62, 246,989.16 and 129,147.03 is: 193,427.83
Step by Step Solution
- Step 1: Write the proportion equation
164,908.62 : 246,989.16 = 129,147.03 : x - Step 2: Convert to fraction form
164,908.62/246,989.16 = 129,147.03/x - Step 3: Cross multiply
164,908.62x = 246,989.16 × 129,147.03 - Step 4: Simplify right side
164,908.62x = 31,897,916,456.19 - Step 5: Solve for x
x = 31,897,916,456.19/164,908.62 - Step 6: Final answer
x = 193,427.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.