Finding the Fourth Proportional to 500,393.36, 690,543.11 and 270,950.75
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Solution
The fourth proportional to 500,393.36, 690,543.11 and 270,950.75 is: 373,912.19
Step by Step Solution
- Step 1: Write the proportion equation
500,393.36 : 690,543.11 = 270,950.75 : x - Step 2: Convert to fraction form
500,393.36/690,543.11 = 270,950.75/x - Step 3: Cross multiply
500,393.36x = 690,543.11 × 270,950.75 - Step 4: Simplify right side
500,393.36x = 187,103,175,736.24 - Step 5: Solve for x
x = 187,103,175,736.24/500,393.36 - Step 6: Final answer
x = 373,912.19
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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.