Finding the Fourth Proportional to 371,571.36, 512,772.24 and 201,808.80
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Solution
The fourth proportional to 371,571.36, 512,772.24 and 201,808.80 is: 278,498.19
Step by Step Solution
- Step 1: Write the proportion equation
371,571.36 : 512,772.24 = 201,808.80 : x - Step 2: Convert to fraction form
371,571.36/512,772.24 = 201,808.80/x - Step 3: Cross multiply
371,571.36x = 512,772.24 × 201,808.80 - Step 4: Simplify right side
371,571.36x = 103,481,950,427.71 - Step 5: Solve for x
x = 103,481,950,427.71/371,571.36 - Step 6: Final answer
x = 278,498.19
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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.