Finding the Fourth Proportional to 287,436.05, 396,670.74 and 164,950.84
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Solution
The fourth proportional to 287,436.05, 396,670.74 and 164,950.84 is: 227,637.32
Step by Step Solution
- Step 1: Write the proportion equation
287,436.05 : 396,670.74 = 164,950.84 : x - Step 2: Convert to fraction form
287,436.05/396,670.74 = 164,950.84/x - Step 3: Cross multiply
287,436.05x = 396,670.74 × 164,950.84 - Step 4: Simplify right side
287,436.05x = 65,431,171,919.83 - Step 5: Solve for x
x = 65,431,171,919.83/287,436.05 - Step 6: Final answer
x = 227,637.32
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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.