Finding the Fourth Proportional to 299,597.97, 413,435.84 and 163,629.75
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Solution
The fourth proportional to 299,597.97, 413,435.84 and 163,629.75 is: 225,803.94
Step by Step Solution
- Step 1: Write the proportion equation
299,597.97 : 413,435.84 = 163,629.75 : x - Step 2: Convert to fraction form
299,597.97/413,435.84 = 163,629.75/x - Step 3: Cross multiply
299,597.97x = 413,435.84 × 163,629.75 - Step 4: Simplify right side
299,597.97x = 67,650,402,322.09 - Step 5: Solve for x
x = 67,650,402,322.09/299,597.97 - Step 6: Final answer
x = 225,803.94
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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.