Finding the Fourth Proportional to 172,891.84, 259,189.84 and 66,352.24
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Solution
The fourth proportional to 172,891.84, 259,189.84 and 66,352.24 is: 99,471.59
Step by Step Solution
- Step 1: Write the proportion equation
172,891.84 : 259,189.84 = 66,352.24 : x - Step 2: Convert to fraction form
172,891.84/259,189.84 = 66,352.24/x - Step 3: Cross multiply
172,891.84x = 259,189.84 × 66,352.24 - Step 4: Simplify right side
172,891.84x = 17,197,826,469.24 - Step 5: Solve for x
x = 17,197,826,469.24/172,891.84 - Step 6: Final answer
x = 99,471.59
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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.