Finding the Fourth Proportional to 681,519.18, 1,022,289.45 and 201,795.67
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Solution
The fourth proportional to 681,519.18, 1,022,289.45 and 201,795.67 is: 302,696.67
Step by Step Solution
- Step 1: Write the proportion equation
681,519.18 : 1,022,289.45 = 201,795.67 : x - Step 2: Convert to fraction form
681,519.18/1,022,289.45 = 201,795.67/x - Step 3: Cross multiply
681,519.18x = 1,022,289.45 × 201,795.67 - Step 4: Simplify right side
681,519.18x = 206,293,584,496.68 - Step 5: Solve for x
x = 206,293,584,496.68/681,519.18 - Step 6: Final answer
x = 302,696.67
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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.