Finding the Fourth Proportional to 201,888.40, 302,832.60 and 154,649.20
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Solution
The fourth proportional to 201,888.40, 302,832.60 and 154,649.20 is: 231,973.80
Step by Step Solution
- Step 1: Write the proportion equation
201,888.40 : 302,832.60 = 154,649.20 : x - Step 2: Convert to fraction form
201,888.40/302,832.60 = 154,649.20/x - Step 3: Cross multiply
201,888.40x = 302,832.60 × 154,649.20 - Step 4: Simplify right side
201,888.40x = 46,832,819,323.92 - Step 5: Solve for x
x = 46,832,819,323.92/201,888.40 - Step 6: Final answer
x = 231,973.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.