Finding the Fourth Proportional to 107,838.40, 161,680.80 and 41,252.80
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Solution
The fourth proportional to 107,838.40, 161,680.80 and 41,252.80 is: 61,849.82
Step by Step Solution
- Step 1: Write the proportion equation
107,838.40 : 161,680.80 = 41,252.80 : x - Step 2: Convert to fraction form
107,838.40/161,680.80 = 41,252.80/x - Step 3: Cross multiply
107,838.40x = 161,680.80 × 41,252.80 - Step 4: Simplify right side
107,838.40x = 6,669,785,706.24 - Step 5: Solve for x
x = 6,669,785,706.24/107,838.40 - Step 6: Final answer
x = 61,849.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.