Finding the Fourth Proportional to 300,651.26, 414,905.40 and 171,587.17
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Solution
The fourth proportional to 300,651.26, 414,905.40 and 171,587.17 is: 236,794.09
Step by Step Solution
- Step 1: Write the proportion equation
300,651.26 : 414,905.40 = 171,587.17 : x - Step 2: Convert to fraction form
300,651.26/414,905.40 = 171,587.17/x - Step 3: Cross multiply
300,651.26x = 414,905.40 × 171,587.17 - Step 4: Simplify right side
300,651.26x = 71,192,442,366.45 - Step 5: Solve for x
x = 71,192,442,366.45/300,651.26 - Step 6: Final answer
x = 236,794.09
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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.