Finding the Fourth Proportional to 371,283.21, 557,005.77 and 211,434.66
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Solution
The fourth proportional to 371,283.21, 557,005.77 and 211,434.66 is: 317,198.09
Step by Step Solution
- Step 1: Write the proportion equation
371,283.21 : 557,005.77 = 211,434.66 : x - Step 2: Convert to fraction form
371,283.21/557,005.77 = 211,434.66/x - Step 3: Cross multiply
371,283.21x = 557,005.77 × 211,434.66 - Step 4: Simplify right side
371,283.21x = 117,770,325,597.99 - Step 5: Solve for x
x = 117,770,325,597.99/371,283.21 - Step 6: Final answer
x = 317,198.09
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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.