Finding the Fourth Proportional to 207,362.38, 286,069.95 and 126,793.26
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Solution
The fourth proportional to 207,362.38, 286,069.95 and 126,793.26 is: 174,919.59
Step by Step Solution
- Step 1: Write the proportion equation
207,362.38 : 286,069.95 = 126,793.26 : x - Step 2: Convert to fraction form
207,362.38/286,069.95 = 126,793.26/x - Step 3: Cross multiply
207,362.38x = 286,069.95 × 126,793.26 - Step 4: Simplify right side
207,362.38x = 36,271,741,548.54 - Step 5: Solve for x
x = 36,271,741,548.54/207,362.38 - Step 6: Final answer
x = 174,919.59
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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.