Finding the Fourth Proportional to 218,798.69, 328,198.05 and 69,050.66
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Solution
The fourth proportional to 218,798.69, 328,198.05 and 69,050.66 is: 103,575.99
Step by Step Solution
- Step 1: Write the proportion equation
218,798.69 : 328,198.05 = 69,050.66 : x - Step 2: Convert to fraction form
218,798.69/328,198.05 = 69,050.66/x - Step 3: Cross multiply
218,798.69x = 328,198.05 × 69,050.66 - Step 4: Simplify right side
218,798.69x = 22,662,290,322.22 - Step 5: Solve for x
x = 22,662,290,322.22/218,798.69 - Step 6: Final answer
x = 103,575.99
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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.