Finding the Fourth Proportional to 242,571.36, 363,704.34 and 74,035.62
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Solution
The fourth proportional to 242,571.36, 363,704.34 and 74,035.62 is: 111,006.82
Step by Step Solution
- Step 1: Write the proportion equation
242,571.36 : 363,704.34 = 74,035.62 : x - Step 2: Convert to fraction form
242,571.36/363,704.34 = 74,035.62/x - Step 3: Cross multiply
242,571.36x = 363,704.34 × 74,035.62 - Step 4: Simplify right side
242,571.36x = 26,927,076,308.59 - Step 5: Solve for x
x = 26,927,076,308.59/242,571.36 - Step 6: Final answer
x = 111,006.82
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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.