Finding the Fourth Proportional to 248,438.34, 342,843.84 and 135,258.66
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Solution
The fourth proportional to 248,438.34, 342,843.84 and 135,258.66 is: 186,656.37
Step by Step Solution
- Step 1: Write the proportion equation
248,438.34 : 342,843.84 = 135,258.66 : x - Step 2: Convert to fraction form
248,438.34/342,843.84 = 135,258.66/x - Step 3: Cross multiply
248,438.34x = 342,843.84 × 135,258.66 - Step 4: Simplify right side
248,438.34x = 46,372,598,387.65 - Step 5: Solve for x
x = 46,372,598,387.65/248,438.34 - Step 6: Final answer
x = 186,656.37
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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.