Finding the Fourth Proportional to 264,830.26, 397,245.58 and 77,972.98
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Solution
The fourth proportional to 264,830.26, 397,245.58 and 77,972.98 is: 116,959.53
Step by Step Solution
- Step 1: Write the proportion equation
264,830.26 : 397,245.58 = 77,972.98 : x - Step 2: Convert to fraction form
264,830.26/397,245.58 = 77,972.98/x - Step 3: Cross multiply
264,830.26x = 397,245.58 × 77,972.98 - Step 4: Simplify right side
264,830.26x = 30,974,421,664.43 - Step 5: Solve for x
x = 30,974,421,664.43/264,830.26 - Step 6: Final answer
x = 116,959.53
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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.