Finding the Fourth Proportional to 173,291.93, 259,826.62 and 72,159.99
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Solution
The fourth proportional to 173,291.93, 259,826.62 and 72,159.99 is: 108,193.65
Step by Step Solution
- Step 1: Write the proportion equation
173,291.93 : 259,826.62 = 72,159.99 : x - Step 2: Convert to fraction form
173,291.93/259,826.62 = 72,159.99/x - Step 3: Cross multiply
173,291.93x = 259,826.62 × 72,159.99 - Step 4: Simplify right side
173,291.93x = 18,749,086,300.93 - Step 5: Solve for x
x = 18,749,086,300.93/173,291.93 - Step 6: Final answer
x = 108,193.65
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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.