Finding the Fourth Proportional to 115,817.88, 174,505.44 and 104,737.08
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Solution
The fourth proportional to 115,817.88, 174,505.44 and 104,737.08 is: 157,809.75
Step by Step Solution
- Step 1: Write the proportion equation
115,817.88 : 174,505.44 = 104,737.08 : x - Step 2: Convert to fraction form
115,817.88/174,505.44 = 104,737.08/x - Step 3: Cross multiply
115,817.88x = 174,505.44 × 104,737.08 - Step 4: Simplify right side
115,817.88x = 18,277,190,229.72 - Step 5: Solve for x
x = 18,277,190,229.72/115,817.88 - Step 6: Final answer
x = 157,809.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.