Finding the Fourth Proportional to 190,326.48, 262,531.62 and 122,431.88
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Solution
The fourth proportional to 190,326.48, 262,531.62 and 122,431.88 is: 168,879.49
Step by Step Solution
- Step 1: Write the proportion equation
190,326.48 : 262,531.62 = 122,431.88 : x - Step 2: Convert to fraction form
190,326.48/262,531.62 = 122,431.88/x - Step 3: Cross multiply
190,326.48x = 262,531.62 × 122,431.88 - Step 4: Simplify right side
190,326.48x = 32,142,239,796.05 - Step 5: Solve for x
x = 32,142,239,796.05/190,326.48 - Step 6: Final answer
x = 168,879.49
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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.