Finding the Fourth Proportional to 274,383.72, 411,042.98 and 202,205.66
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Solution
The fourth proportional to 274,383.72, 411,042.98 and 202,205.66 is: 302,915.99
Step by Step Solution
- Step 1: Write the proportion equation
274,383.72 : 411,042.98 = 202,205.66 : x - Step 2: Convert to fraction form
274,383.72/411,042.98 = 202,205.66/x - Step 3: Cross multiply
274,383.72x = 411,042.98 × 202,205.66 - Step 4: Simplify right side
274,383.72x = 83,115,217,059.27 - Step 5: Solve for x
x = 83,115,217,059.27/274,383.72 - Step 6: Final answer
x = 302,915.99
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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.