Finding the Fourth Proportional to 201,237.40, 301,418.70 and 122,213.80
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Solution
The fourth proportional to 201,237.40, 301,418.70 and 122,213.80 is: 183,055.06
Step by Step Solution
- Step 1: Write the proportion equation
201,237.40 : 301,418.70 = 122,213.80 : x - Step 2: Convert to fraction form
201,237.40/301,418.70 = 122,213.80/x - Step 3: Cross multiply
201,237.40x = 301,418.70 × 122,213.80 - Step 4: Simplify right side
201,237.40x = 36,837,524,718.06 - Step 5: Solve for x
x = 36,837,524,718.06/201,237.40 - Step 6: Final answer
x = 183,055.06
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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.