Finding the Fourth Proportional to 164,415.80, 246,623.70 and 146,919.80
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Solution
The fourth proportional to 164,415.80, 246,623.70 and 146,919.80 is: 220,379.70
Step by Step Solution
- Step 1: Write the proportion equation
164,415.80 : 246,623.70 = 146,919.80 : x - Step 2: Convert to fraction form
164,415.80/246,623.70 = 146,919.80/x - Step 3: Cross multiply
164,415.80x = 246,623.70 × 146,919.80 - Step 4: Simplify right side
164,415.80x = 36,233,904,679.26 - Step 5: Solve for x
x = 36,233,904,679.26/164,415.80 - Step 6: Final answer
x = 220,379.70
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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.