Finding the Fourth Proportional to 248,414.93, 342,813.89 and 135,238.49
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Solution
The fourth proportional to 248,414.93, 342,813.89 and 135,238.49 is: 186,629.82
Step by Step Solution
- Step 1: Write the proportion equation
248,414.93 : 342,813.89 = 135,238.49 : x - Step 2: Convert to fraction form
248,414.93/342,813.89 = 135,238.49/x - Step 3: Cross multiply
248,414.93x = 342,813.89 × 135,238.49 - Step 4: Simplify right side
248,414.93x = 46,361,632,834.63 - Step 5: Solve for x
x = 46,361,632,834.63/248,414.93 - Step 6: Final answer
x = 186,629.82
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1.5x scale
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.