Finding the Fourth Proportional to 77,353.98, 115,998.14 and 27,446.64
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Solution
The fourth proportional to 77,353.98, 115,998.14 and 27,446.64 is: 41,158.31
Step by Step Solution
- Step 1: Write the proportion equation
77,353.98 : 115,998.14 = 27,446.64 : x - Step 2: Convert to fraction form
77,353.98/115,998.14 = 27,446.64/x - Step 3: Cross multiply
77,353.98x = 115,998.14 × 27,446.64 - Step 4: Simplify right side
77,353.98x = 3,183,759,189.25 - Step 5: Solve for x
x = 3,183,759,189.25/77,353.98 - Step 6: Final answer
x = 41,158.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.