Finding the Fourth Proportional to 213,944.36, 295,307.22 and 138,497.96
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Solution
The fourth proportional to 213,944.36, 295,307.22 and 138,497.96 is: 191,168.62
Step by Step Solution
- Step 1: Write the proportion equation
213,944.36 : 295,307.22 = 138,497.96 : x - Step 2: Convert to fraction form
213,944.36/295,307.22 = 138,497.96/x - Step 3: Cross multiply
213,944.36x = 295,307.22 × 138,497.96 - Step 4: Simplify right side
213,944.36x = 40,899,447,543.27 - Step 5: Solve for x
x = 40,899,447,543.27/213,944.36 - Step 6: Final answer
x = 191,168.62
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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.