Finding the Fourth Proportional to 378,286.26, 567,367.02 and 153,637.62
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Solution
The fourth proportional to 378,286.26, 567,367.02 and 153,637.62 is: 230,431.10
Step by Step Solution
- Step 1: Write the proportion equation
378,286.26 : 567,367.02 = 153,637.62 : x - Step 2: Convert to fraction form
378,286.26/567,367.02 = 153,637.62/x - Step 3: Cross multiply
378,286.26x = 567,367.02 × 153,637.62 - Step 4: Simplify right side
378,286.26x = 87,168,918,619.29 - Step 5: Solve for x
x = 87,168,918,619.29/378,286.26 - Step 6: Final answer
x = 230,431.10
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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.