Finding the Fourth Proportional to 248,293.11, 372,474.69 and 79,756.94
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Solution
The fourth proportional to 248,293.11, 372,474.69 and 79,756.94 is: 119,646.66
Step by Step Solution
- Step 1: Write the proportion equation
248,293.11 : 372,474.69 = 79,756.94 : x - Step 2: Convert to fraction form
248,293.11/372,474.69 = 79,756.94/x - Step 3: Cross multiply
248,293.11x = 372,474.69 × 79,756.94 - Step 4: Simplify right side
248,293.11x = 29,707,441,501.85 - Step 5: Solve for x
x = 29,707,441,501.85/248,293.11 - Step 6: Final answer
x = 119,646.66
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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.