Finding the Fourth Proportional to 270,242.36, 372,919.92 and 149,376.44
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Solution
The fourth proportional to 270,242.36, 372,919.92 and 149,376.44 is: 206,131.45
Step by Step Solution
- Step 1: Write the proportion equation
270,242.36 : 372,919.92 = 149,376.44 : x - Step 2: Convert to fraction form
270,242.36/372,919.92 = 149,376.44/x - Step 3: Cross multiply
270,242.36x = 372,919.92 × 149,376.44 - Step 4: Simplify right side
270,242.36x = 55,705,450,054.68 - Step 5: Solve for x
x = 55,705,450,054.68/270,242.36 - Step 6: Final answer
x = 206,131.45
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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.