Finding the Fourth Proportional to 547,852.27, 756,021.62 and 306,136.82
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Solution
The fourth proportional to 547,852.27, 756,021.62 and 306,136.82 is: 422,460.70
Step by Step Solution
- Step 1: Write the proportion equation
547,852.27 : 756,021.62 = 306,136.82 : x - Step 2: Convert to fraction form
547,852.27/756,021.62 = 306,136.82/x - Step 3: Cross multiply
547,852.27x = 756,021.62 × 306,136.82 - Step 4: Simplify right side
547,852.27x = 231,446,054,598.05 - Step 5: Solve for x
x = 231,446,054,598.05/547,852.27 - Step 6: Final answer
x = 422,460.70
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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.