Finding the Fourth Proportional to 117,556.23, 162,277.24 and 79,367.49
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Solution
The fourth proportional to 117,556.23, 162,277.24 and 79,367.49 is: 109,560.65
Step by Step Solution
- Step 1: Write the proportion equation
117,556.23 : 162,277.24 = 79,367.49 : x - Step 2: Convert to fraction form
117,556.23/162,277.24 = 79,367.49/x - Step 3: Cross multiply
117,556.23x = 162,277.24 × 79,367.49 - Step 4: Simplify right side
117,556.23x = 12,879,537,222.93 - Step 5: Solve for x
x = 12,879,537,222.93/117,556.23 - Step 6: Final answer
x = 109,560.65
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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.