Finding the Fourth Proportional to 263,784.62, 364,022.27 and 142,929.18
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Solution
The fourth proportional to 263,784.62, 364,022.27 and 142,929.18 is: 197,241.99
Step by Step Solution
- Step 1: Write the proportion equation
263,784.62 : 364,022.27 = 142,929.18 : x - Step 2: Convert to fraction form
263,784.62/364,022.27 = 142,929.18/x - Step 3: Cross multiply
263,784.62x = 364,022.27 × 142,929.18 - Step 4: Simplify right side
263,784.62x = 52,029,404,552.84 - Step 5: Solve for x
x = 52,029,404,552.84/263,784.62 - Step 6: Final answer
x = 197,241.99
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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.