Finding the Fourth Proportional to 500,452.98, 690,626.99 and 271,010.37
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Solution
The fourth proportional to 500,452.98, 690,626.99 and 271,010.37 is: 373,995.32
Step by Step Solution
- Step 1: Write the proportion equation
500,452.98 : 690,626.99 = 271,010.37 : x - Step 2: Convert to fraction form
500,452.98/690,626.99 = 271,010.37/x - Step 3: Cross multiply
500,452.98x = 690,626.99 × 271,010.37 - Step 4: Simplify right side
500,452.98x = 187,167,074,736.83 - Step 5: Solve for x
x = 187,167,074,736.83/500,452.98 - Step 6: Final answer
x = 373,995.32
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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.