Finding the Fourth Proportional to 270,232.42, 372,914.17 and 149,370.60
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Solution
The fourth proportional to 270,232.42, 372,914.17 and 149,370.60 is: 206,127.80
Step by Step Solution
- Step 1: Write the proportion equation
270,232.42 : 372,914.17 = 149,370.60 : x - Step 2: Convert to fraction form
270,232.42/372,914.17 = 149,370.60/x - Step 3: Cross multiply
270,232.42x = 372,914.17 × 149,370.60 - Step 4: Simplify right side
270,232.42x = 55,702,413,321.40 - Step 5: Solve for x
x = 55,702,413,321.40/270,232.42 - Step 6: Final answer
x = 206,127.80
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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.