Finding the Fourth Proportional to 74,194.19, 102,393.01 and 41,917.62
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Solution
The fourth proportional to 74,194.19, 102,393.01 and 41,917.62 is: 57,849.15
Step by Step Solution
- Step 1: Write the proportion equation
74,194.19 : 102,393.01 = 41,917.62 : x - Step 2: Convert to fraction form
74,194.19/102,393.01 = 41,917.62/x - Step 3: Cross multiply
74,194.19x = 102,393.01 × 41,917.62 - Step 4: Simplify right side
74,194.19x = 4,292,071,144.25 - Step 5: Solve for x
x = 4,292,071,144.25/74,194.19 - Step 6: Final answer
x = 57,849.15
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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.