Finding the Fourth Proportional to 277,027.49, 382,297.94 and 149,703.09
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Solution
The fourth proportional to 277,027.49, 382,297.94 and 149,703.09 is: 206,590.27
Step by Step Solution
- Step 1: Write the proportion equation
277,027.49 : 382,297.94 = 149,703.09 : x - Step 2: Convert to fraction form
277,027.49/382,297.94 = 149,703.09/x - Step 3: Cross multiply
277,027.49x = 382,297.94 × 149,703.09 - Step 4: Simplify right side
277,027.49x = 57,231,182,918.63 - Step 5: Solve for x
x = 57,231,182,918.63/277,027.49 - Step 6: Final answer
x = 206,590.27
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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.