Finding the Fourth Proportional to 221,511.70, 332,316.15 and 109,245.70
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Solution
The fourth proportional to 221,511.70, 332,316.15 and 109,245.70 is: 163,892.52
Step by Step Solution
- Step 1: Write the proportion equation
221,511.70 : 332,316.15 = 109,245.70 : x - Step 2: Convert to fraction form
221,511.70/332,316.15 = 109,245.70/x - Step 3: Cross multiply
221,511.70x = 332,316.15 × 109,245.70 - Step 4: Simplify right side
221,511.70x = 36,304,110,428.06 - Step 5: Solve for x
x = 36,304,110,428.06/221,511.70 - Step 6: Final answer
x = 163,892.52
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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.