Finding the Fourth Proportional to 176,620.62, 264,742.20 and 128,473.82
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Solution
The fourth proportional to 176,620.62, 264,742.20 and 128,473.82 is: 192,573.45
Step by Step Solution
- Step 1: Write the proportion equation
176,620.62 : 264,742.20 = 128,473.82 : x - Step 2: Convert to fraction form
176,620.62/264,742.20 = 128,473.82/x - Step 3: Cross multiply
176,620.62x = 264,742.20 × 128,473.82 - Step 4: Simplify right side
176,620.62x = 34,012,441,749.20 - Step 5: Solve for x
x = 34,012,441,749.20/176,620.62 - Step 6: Final answer
x = 192,573.45
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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.