Finding the Fourth Proportional to 276,328.08, 381,376.08 and 168,960.96
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Solution
The fourth proportional to 276,328.08, 381,376.08 and 168,960.96 is: 233,192.62
Step by Step Solution
- Step 1: Write the proportion equation
276,328.08 : 381,376.08 = 168,960.96 : x - Step 2: Convert to fraction form
276,328.08/381,376.08 = 168,960.96/x - Step 3: Cross multiply
276,328.08x = 381,376.08 × 168,960.96 - Step 4: Simplify right side
276,328.08x = 64,437,668,597.84 - Step 5: Solve for x
x = 64,437,668,597.84/276,328.08 - Step 6: Final answer
x = 233,192.62
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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.