Finding the Fourth Proportional to 300,904.21, 415,252.82 and 163,087.53
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Solution
The fourth proportional to 300,904.21, 415,252.82 and 163,087.53 is: 225,063.51
Step by Step Solution
- Step 1: Write the proportion equation
300,904.21 : 415,252.82 = 163,087.53 : x - Step 2: Convert to fraction form
300,904.21/415,252.82 = 163,087.53/x - Step 3: Cross multiply
300,904.21x = 415,252.82 × 163,087.53 - Step 4: Simplify right side
300,904.21x = 67,722,557,907.23 - Step 5: Solve for x
x = 67,722,557,907.23/300,904.21 - Step 6: Final answer
x = 225,063.51
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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.