Finding the Fourth Proportional to 276,861.23, 382,152.95 and 160,604.08
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Solution
The fourth proportional to 276,861.23, 382,152.95 and 160,604.08 is: 221,682.62
Step by Step Solution
- Step 1: Write the proportion equation
276,861.23 : 382,152.95 = 160,604.08 : x - Step 2: Convert to fraction form
276,861.23/382,152.95 = 160,604.08/x - Step 3: Cross multiply
276,861.23x = 382,152.95 × 160,604.08 - Step 4: Simplify right side
276,861.23x = 61,375,323,721.66 - Step 5: Solve for x
x = 61,375,323,721.66/276,861.23 - Step 6: Final answer
x = 221,682.62
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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.