Finding the Fourth Proportional to 165,203.06, 248,915.14 and 149,425.66
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Solution
The fourth proportional to 165,203.06, 248,915.14 and 149,425.66 is: 225,142.98
Step by Step Solution
- Step 1: Write the proportion equation
165,203.06 : 248,915.14 = 149,425.66 : x - Step 2: Convert to fraction form
165,203.06/248,915.14 = 149,425.66/x - Step 3: Cross multiply
165,203.06x = 248,915.14 × 149,425.66 - Step 4: Simplify right side
165,203.06x = 37,194,309,078.49 - Step 5: Solve for x
x = 37,194,309,078.49/165,203.06 - Step 6: Final answer
x = 225,142.98
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.