Finding the Fourth Proportional to 415,185.62, 572,998.47 and 254,147.09
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Solution
The fourth proportional to 415,185.62, 572,998.47 and 254,147.09 is: 350,748.88
Step by Step Solution
- Step 1: Write the proportion equation
415,185.62 : 572,998.47 = 254,147.09 : x - Step 2: Convert to fraction form
415,185.62/572,998.47 = 254,147.09/x - Step 3: Cross multiply
415,185.62x = 572,998.47 × 254,147.09 - Step 4: Simplify right side
415,185.62x = 145,625,891,336.49 - Step 5: Solve for x
x = 145,625,891,336.49/415,185.62 - Step 6: Final answer
x = 350,748.88
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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.