Finding the Fourth Proportional to 126,251.37, 189,369.63 and 47,358.99
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Solution
The fourth proportional to 126,251.37, 189,369.63 and 47,358.99 is: 71,035.70
Step by Step Solution
- Step 1: Write the proportion equation
126,251.37 : 189,369.63 = 47,358.99 : x - Step 2: Convert to fraction form
126,251.37/189,369.63 = 47,358.99/x - Step 3: Cross multiply
126,251.37x = 189,369.63 × 47,358.99 - Step 4: Simplify right side
126,251.37x = 8,968,354,413.47 - Step 5: Solve for x
x = 8,968,354,413.47/126,251.37 - Step 6: Final answer
x = 71,035.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.