Finding the Fourth Proportional to 214,049.36, 295,263.96 and 138,599.48
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Solution
The fourth proportional to 214,049.36, 295,263.96 and 138,599.48 is: 191,186.89
Step by Step Solution
- Step 1: Write the proportion equation
214,049.36 : 295,263.96 = 138,599.48 : x - Step 2: Convert to fraction form
214,049.36/295,263.96 = 138,599.48/x - Step 3: Cross multiply
214,049.36x = 295,263.96 × 138,599.48 - Step 4: Simplify right side
214,049.36x = 40,923,431,318.74 - Step 5: Solve for x
x = 40,923,431,318.74/214,049.36 - Step 6: Final answer
x = 191,186.89
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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.