Finding the Fourth Proportional to 68,640.30, 102,960.45 and 24,266.70
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Solution
The fourth proportional to 68,640.30, 102,960.45 and 24,266.70 is: 36,400.05
Step by Step Solution
- Step 1: Write the proportion equation
68,640.30 : 102,960.45 = 24,266.70 : x - Step 2: Convert to fraction form
68,640.30/102,960.45 = 24,266.70/x - Step 3: Cross multiply
68,640.30x = 102,960.45 × 24,266.70 - Step 4: Simplify right side
68,640.30x = 2,498,510,352.02 - Step 5: Solve for x
x = 2,498,510,352.02/68,640.30 - Step 6: Final answer
x = 36,400.05
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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.