Finding the Fourth Proportional to 248,542.91, 342,989.19 and 135,365.66
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Solution
The fourth proportional to 248,542.91, 342,989.19 and 135,365.66 is: 186,804.59
Step by Step Solution
- Step 1: Write the proportion equation
248,542.91 : 342,989.19 = 135,365.66 : x - Step 2: Convert to fraction form
248,542.91/342,989.19 = 135,365.66/x - Step 3: Cross multiply
248,542.91x = 342,989.19 × 135,365.66 - Step 4: Simplify right side
248,542.91x = 46,428,956,362.27 - Step 5: Solve for x
x = 46,428,956,362.27/248,542.91 - Step 6: Final answer
x = 186,804.59
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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.