Finding the Fourth Proportional to 272,940.99, 409,354.99 and 73,213.89
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Solution
The fourth proportional to 272,940.99, 409,354.99 and 73,213.89 is: 109,805.68
Step by Step Solution
- Step 1: Write the proportion equation
272,940.99 : 409,354.99 = 73,213.89 : x - Step 2: Convert to fraction form
272,940.99/409,354.99 = 73,213.89/x - Step 3: Cross multiply
272,940.99x = 409,354.99 × 73,213.89 - Step 4: Simplify right side
272,940.99x = 29,970,471,208.81 - Step 5: Solve for x
x = 29,970,471,208.81/272,940.99 - Step 6: Final answer
x = 109,805.68
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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.