Finding the Fourth Proportional to 74,775.75, 112,163.58 and 22,184.79
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Solution
The fourth proportional to 74,775.75, 112,163.58 and 22,184.79 is: 33,277.17
Step by Step Solution
- Step 1: Write the proportion equation
74,775.75 : 112,163.58 = 22,184.79 : x - Step 2: Convert to fraction form
74,775.75/112,163.58 = 22,184.79/x - Step 3: Cross multiply
74,775.75x = 112,163.58 × 22,184.79 - Step 4: Simplify right side
74,775.75x = 2,488,325,467.95 - Step 5: Solve for x
x = 2,488,325,467.95/74,775.75 - Step 6: Final answer
x = 33,277.17
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1.5x scale
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.