Finding the Fourth Proportional to 218,902.85, 328,175.98 and 146,929.99
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Solution
The fourth proportional to 218,902.85, 328,175.98 and 146,929.99 is: 220,275.31
Step by Step Solution
- Step 1: Write the proportion equation
218,902.85 : 328,175.98 = 146,929.99 : x - Step 2: Convert to fraction form
218,902.85/328,175.98 = 146,929.99/x - Step 3: Cross multiply
218,902.85x = 328,175.98 × 146,929.99 - Step 4: Simplify right side
218,902.85x = 48,218,893,459.64 - Step 5: Solve for x
x = 48,218,893,459.64/218,902.85 - Step 6: Final answer
x = 220,275.31
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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.