Finding the Fourth Proportional to 248,415.25, 342,814.34 and 135,238.81
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Solution
The fourth proportional to 248,415.25, 342,814.34 and 135,238.81 is: 186,630.26
Step by Step Solution
- Step 1: Write the proportion equation
248,415.25 : 342,814.34 = 135,238.81 : x - Step 2: Convert to fraction form
248,415.25/342,814.34 = 135,238.81/x - Step 3: Cross multiply
248,415.25x = 342,814.34 × 135,238.81 - Step 4: Simplify right side
248,415.25x = 46,361,801,002.27 - Step 5: Solve for x
x = 46,361,801,002.27/248,415.25 - Step 6: Final answer
x = 186,630.26
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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.