Finding the Fourth Proportional to 207,512.53, 286,284.14 and 126,799.93
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Solution
The fourth proportional to 207,512.53, 286,284.14 and 126,799.93 is: 174,933.09
Step by Step Solution
- Step 1: Write the proportion equation
207,512.53 : 286,284.14 = 126,799.93 : x - Step 2: Convert to fraction form
207,512.53/286,284.14 = 126,799.93/x - Step 3: Cross multiply
207,512.53x = 286,284.14 × 126,799.93 - Step 4: Simplify right side
207,512.53x = 36,300,808,912.11 - Step 5: Solve for x
x = 36,300,808,912.11/207,512.53 - Step 6: Final answer
x = 174,933.09
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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.