Finding the Fourth Proportional to 220,319.75, 304,043.08 and 119,717.75
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Solution
The fourth proportional to 220,319.75, 304,043.08 and 119,717.75 is: 165,211.49
Step by Step Solution
- Step 1: Write the proportion equation
220,319.75 : 304,043.08 = 119,717.75 : x - Step 2: Convert to fraction form
220,319.75/304,043.08 = 119,717.75/x - Step 3: Cross multiply
220,319.75x = 304,043.08 × 119,717.75 - Step 4: Simplify right side
220,319.75x = 36,399,353,440.67 - Step 5: Solve for x
x = 36,399,353,440.67/220,319.75 - Step 6: Final answer
x = 165,211.49
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1.5x scale
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.