Finding the Fourth Proportional to 277,137.99, 382,450.28 and 149,813.82
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Solution
The fourth proportional to 277,137.99, 382,450.28 and 149,813.82 is: 206,742.99
Step by Step Solution
- Step 1: Write the proportion equation
277,137.99 : 382,450.28 = 149,813.82 : x - Step 2: Convert to fraction form
277,137.99/382,450.28 = 149,813.82/x - Step 3: Cross multiply
277,137.99x = 382,450.28 × 149,813.82 - Step 4: Simplify right side
277,137.99x = 57,296,336,657.80 - Step 5: Solve for x
x = 57,296,336,657.80/277,137.99 - Step 6: Final answer
x = 206,742.99
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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.