Finding the Fourth Proportional to 108,640.38, 163,032.87 and 44,650.99
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Solution
The fourth proportional to 108,640.38, 163,032.87 and 44,650.99 is: 67,006.20
Step by Step Solution
- Step 1: Write the proportion equation
108,640.38 : 163,032.87 = 44,650.99 : x - Step 2: Convert to fraction form
108,640.38/163,032.87 = 44,650.99/x - Step 3: Cross multiply
108,640.38x = 163,032.87 × 44,650.99 - Step 4: Simplify right side
108,640.38x = 7,279,579,048.04 - Step 5: Solve for x
x = 7,279,579,048.04/108,640.38 - Step 6: Final answer
x = 67,006.20
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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.