Finding the Fourth Proportional to 146,548.92, 202,226.04 and 86,121.84
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Solution
The fourth proportional to 146,548.92, 202,226.04 and 86,121.84 is: 118,841.40
Step by Step Solution
- Step 1: Write the proportion equation
146,548.92 : 202,226.04 = 86,121.84 : x - Step 2: Convert to fraction form
146,548.92/202,226.04 = 86,121.84/x - Step 3: Cross multiply
146,548.92x = 202,226.04 × 86,121.84 - Step 4: Simplify right side
146,548.92x = 17,416,078,660.71 - Step 5: Solve for x
x = 17,416,078,660.71/146,548.92 - Step 6: Final answer
x = 118,841.40
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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.