Finding the Fourth Proportional to 325,126.14, 447,677.16 and 284,613.18
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Solution
The fourth proportional to 325,126.14, 447,677.16 and 284,613.18 is: 391,893.50
Step by Step Solution
- Step 1: Write the proportion equation
325,126.14 : 447,677.16 = 284,613.18 : x - Step 2: Convert to fraction form
325,126.14/447,677.16 = 284,613.18/x - Step 3: Cross multiply
325,126.14x = 447,677.16 × 284,613.18 - Step 4: Simplify right side
325,126.14x = 127,414,820,120.97 - Step 5: Solve for x
x = 127,414,820,120.97/325,126.14 - Step 6: Final answer
x = 391,893.50
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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.