Finding the Fourth Proportional to 397,528.08, 548,493.84 and 268,706.76
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Solution
The fourth proportional to 397,528.08, 548,493.84 and 268,706.76 is: 370,751.17
Step by Step Solution
- Step 1: Write the proportion equation
397,528.08 : 548,493.84 = 268,706.76 : x - Step 2: Convert to fraction form
397,528.08/548,493.84 = 268,706.76/x - Step 3: Cross multiply
397,528.08x = 548,493.84 × 268,706.76 - Step 4: Simplify right side
397,528.08x = 147,384,002,626.36 - Step 5: Solve for x
x = 147,384,002,626.36/397,528.08 - Step 6: Final answer
x = 370,751.17
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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.