Finding the Fourth Proportional to 295,811.62, 408,220.05 and 161,675.62
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Solution
The fourth proportional to 295,811.62, 408,220.05 and 161,675.62 is: 223,112.36
Step by Step Solution
- Step 1: Write the proportion equation
295,811.62 : 408,220.05 = 161,675.62 : x - Step 2: Convert to fraction form
295,811.62/408,220.05 = 161,675.62/x - Step 3: Cross multiply
295,811.62x = 408,220.05 × 161,675.62 - Step 4: Simplify right side
295,811.62x = 65,999,229,680.18 - Step 5: Solve for x
x = 65,999,229,680.18/295,811.62 - Step 6: Final answer
x = 223,112.36
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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.