Finding the Fourth Proportional to 218,911.77, 328,367.67 and 169,064.58
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Solution
The fourth proportional to 218,911.77, 328,367.67 and 169,064.58 is: 253,596.88
Step by Step Solution
- Step 1: Write the proportion equation
218,911.77 : 328,367.67 = 169,064.58 : x - Step 2: Convert to fraction form
218,911.77/328,367.67 = 169,064.58/x - Step 3: Cross multiply
218,911.77x = 328,367.67 × 169,064.58 - Step 4: Simplify right side
218,911.77x = 55,515,342,214.13 - Step 5: Solve for x
x = 55,515,342,214.13/218,911.77 - Step 6: Final answer
x = 253,596.88
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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.