Finding the Fourth Proportional to 428,345.82, 591,102.36 and 237,376.98
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Solution
The fourth proportional to 428,345.82, 591,102.36 and 237,376.98 is: 327,571.99
Step by Step Solution
- Step 1: Write the proportion equation
428,345.82 : 591,102.36 = 237,376.98 : x - Step 2: Convert to fraction form
428,345.82/591,102.36 = 237,376.98/x - Step 3: Cross multiply
428,345.82x = 591,102.36 × 237,376.98 - Step 4: Simplify right side
428,345.82x = 140,314,093,087.67 - Step 5: Solve for x
x = 140,314,093,087.67/428,345.82 - Step 6: Final answer
x = 327,571.99
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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.