Finding the Fourth Proportional to 248,448.24, 342,858.96 and 135,271.44
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Solution
The fourth proportional to 248,448.24, 342,858.96 and 135,271.44 is: 186,674.80
Step by Step Solution
- Step 1: Write the proportion equation
248,448.24 : 342,858.96 = 135,271.44 : x - Step 2: Convert to fraction form
248,448.24/342,858.96 = 135,271.44/x - Step 3: Cross multiply
248,448.24x = 342,858.96 × 135,271.44 - Step 4: Simplify right side
248,448.24x = 46,379,025,236.10 - Step 5: Solve for x
x = 46,379,025,236.10/248,448.24 - Step 6: Final answer
x = 186,674.80
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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.