Finding the Fourth Proportional to 219,692.79, 303,161.77 and 122,879.90
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Solution
The fourth proportional to 219,692.79, 303,161.77 and 122,879.90 is: 169,566.28
Step by Step Solution
- Step 1: Write the proportion equation
219,692.79 : 303,161.77 = 122,879.90 : x - Step 2: Convert to fraction form
219,692.79/303,161.77 = 122,879.90/x - Step 3: Cross multiply
219,692.79x = 303,161.77 × 122,879.90 - Step 4: Simplify right side
219,692.79x = 37,252,488,892.93 - Step 5: Solve for x
x = 37,252,488,892.93/219,692.79 - Step 6: Final answer
x = 169,566.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.