Finding the Fourth Proportional to 295,863.75, 408,292.02 and 161,727.75
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Solution
The fourth proportional to 295,863.75, 408,292.02 and 161,727.75 is: 223,184.32
Step by Step Solution
- Step 1: Write the proportion equation
295,863.75 : 408,292.02 = 161,727.75 : x - Step 2: Convert to fraction form
295,863.75/408,292.02 = 161,727.75/x - Step 3: Cross multiply
295,863.75x = 408,292.02 × 161,727.75 - Step 4: Simplify right side
295,863.75x = 66,032,149,737.56 - Step 5: Solve for x
x = 66,032,149,737.56/295,863.75 - Step 6: Final answer
x = 223,184.32
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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.