Finding the Fourth Proportional to 230,634.92, 318,268.98 and 135,205.18
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Solution
The fourth proportional to 230,634.92, 318,268.98 and 135,205.18 is: 186,578.92
Step by Step Solution
- Step 1: Write the proportion equation
230,634.92 : 318,268.98 = 135,205.18 : x - Step 2: Convert to fraction form
230,634.92/318,268.98 = 135,205.18/x - Step 3: Cross multiply
230,634.92x = 318,268.98 × 135,205.18 - Step 4: Simplify right side
230,634.92x = 43,031,614,729.32 - Step 5: Solve for x
x = 43,031,614,729.32/230,634.92 - Step 6: Final answer
x = 186,578.92
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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.