Finding the Fourth Proportional to 218,757.25, 328,137.24 and 60,987.07
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Solution
The fourth proportional to 218,757.25, 328,137.24 and 60,987.07 is: 91,480.99
Step by Step Solution
- Step 1: Write the proportion equation
218,757.25 : 328,137.24 = 60,987.07 : x - Step 2: Convert to fraction form
218,757.25/328,137.24 = 60,987.07/x - Step 3: Cross multiply
218,757.25x = 328,137.24 × 60,987.07 - Step 4: Simplify right side
218,757.25x = 20,012,128,825.49 - Step 5: Solve for x
x = 20,012,128,825.49/218,757.25 - Step 6: Final answer
x = 91,480.99
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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.