Finding the Fourth Proportional to 190,841.24, 286,310.16 and 134,790.80
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Solution
The fourth proportional to 190,841.24, 286,310.16 and 134,790.80 is: 202,220.31
Step by Step Solution
- Step 1: Write the proportion equation
190,841.24 : 286,310.16 = 134,790.80 : x - Step 2: Convert to fraction form
190,841.24/286,310.16 = 134,790.80/x - Step 3: Cross multiply
190,841.24x = 286,310.16 × 134,790.80 - Step 4: Simplify right side
190,841.24x = 38,591,975,514.53 - Step 5: Solve for x
x = 38,591,975,514.53/190,841.24 - Step 6: Final answer
x = 202,220.31
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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.