Finding the Fourth Proportional to 164,687.48, 246,843.05 and 74,798.74
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Solution
The fourth proportional to 164,687.48, 246,843.05 and 74,798.74 is: 112,112.65
Step by Step Solution
- Step 1: Write the proportion equation
164,687.48 : 246,843.05 = 74,798.74 : x - Step 2: Convert to fraction form
164,687.48/246,843.05 = 74,798.74/x - Step 3: Cross multiply
164,687.48x = 246,843.05 × 74,798.74 - Step 4: Simplify right side
164,687.48x = 18,463,549,052.32 - Step 5: Solve for x
x = 18,463,549,052.32/164,687.48 - Step 6: Final answer
x = 112,112.65
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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.