Finding the Fourth Proportional to 115,608.49, 173,307.64 and 44,485.75
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Solution
The fourth proportional to 115,608.49, 173,307.64 and 44,485.75 is: 66,688.19
Step by Step Solution
- Step 1: Write the proportion equation
115,608.49 : 173,307.64 = 44,485.75 : x - Step 2: Convert to fraction form
115,608.49/173,307.64 = 44,485.75/x - Step 3: Cross multiply
115,608.49x = 173,307.64 × 44,485.75 - Step 4: Simplify right side
115,608.49x = 7,709,720,534.96 - Step 5: Solve for x
x = 7,709,720,534.96/115,608.49 - Step 6: Final answer
x = 66,688.19
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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.