Finding the Fourth Proportional to 327,036.18, 451,231.11 and 190,992.90
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Solution
The fourth proportional to 327,036.18, 451,231.11 and 190,992.90 is: 263,524.17
Step by Step Solution
- Step 1: Write the proportion equation
327,036.18 : 451,231.11 = 190,992.90 : x - Step 2: Convert to fraction form
327,036.18/451,231.11 = 190,992.90/x - Step 3: Cross multiply
327,036.18x = 451,231.11 × 190,992.90 - Step 4: Simplify right side
327,036.18x = 86,181,938,269.12 - Step 5: Solve for x
x = 86,181,938,269.12/327,036.18 - Step 6: Final answer
x = 263,524.17
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1.5x scale
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.