Finding the Fourth Proportional to 248,415.93, 342,815.27 and 135,239.49
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Solution
The fourth proportional to 248,415.93, 342,815.27 and 135,239.49 is: 186,631.20
Step by Step Solution
- Step 1: Write the proportion equation
248,415.93 : 342,815.27 = 135,239.49 : x - Step 2: Convert to fraction form
248,415.93/342,815.27 = 135,239.49/x - Step 3: Cross multiply
248,415.93x = 342,815.27 × 135,239.49 - Step 4: Simplify right side
248,415.93x = 46,362,162,279.01 - Step 5: Solve for x
x = 46,362,162,279.01/248,415.93 - Step 6: Final answer
x = 186,631.20
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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.