Finding the Fourth Proportional to 248,424.93, 342,826.39 and 135,247.68
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Solution
The fourth proportional to 248,424.93, 342,826.39 and 135,247.68 is: 186,641.79
Step by Step Solution
- Step 1: Write the proportion equation
248,424.93 : 342,826.39 = 135,247.68 : x - Step 2: Convert to fraction form
248,424.93/342,826.39 = 135,247.68/x - Step 3: Cross multiply
248,424.93x = 342,826.39 × 135,247.68 - Step 4: Simplify right side
248,424.93x = 46,366,473,552.16 - Step 5: Solve for x
x = 46,366,473,552.16/248,424.93 - Step 6: Final answer
x = 186,641.79
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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.