Finding the Fourth Proportional to 299,601.92, 413,453.84 and 163,639.84
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Solution
The fourth proportional to 299,601.92, 413,453.84 and 163,639.84 is: 225,824.72
Step by Step Solution
- Step 1: Write the proportion equation
299,601.92 : 413,453.84 = 163,639.84 : x - Step 2: Convert to fraction form
299,601.92/413,453.84 = 163,639.84/x - Step 3: Cross multiply
299,601.92x = 413,453.84 × 163,639.84 - Step 4: Simplify right side
299,601.92x = 67,657,520,224.99 - Step 5: Solve for x
x = 67,657,520,224.99/299,601.92 - Step 6: Final answer
x = 225,824.72
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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.