Finding the Fourth Proportional to 284,473.80, 426,710.70 and 271,351.80
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Solution
The fourth proportional to 284,473.80, 426,710.70 and 271,351.80 is: 407,027.70
Step by Step Solution
- Step 1: Write the proportion equation
284,473.80 : 426,710.70 = 271,351.80 : x - Step 2: Convert to fraction form
284,473.80/426,710.70 = 271,351.80/x - Step 3: Cross multiply
284,473.80x = 426,710.70 × 271,351.80 - Step 4: Simplify right side
284,473.80x = 115,788,716,524.26 - Step 5: Solve for x
x = 115,788,716,524.26/284,473.80 - Step 6: Final answer
x = 407,027.70
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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.