Finding the Fourth Proportional to 681,518.18, 1,022,287.95 and 201,794.67
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Solution
The fourth proportional to 681,518.18, 1,022,287.95 and 201,794.67 is: 302,695.17
Step by Step Solution
- Step 1: Write the proportion equation
681,518.18 : 1,022,287.95 = 201,794.67 : x - Step 2: Convert to fraction form
681,518.18/1,022,287.95 = 201,794.67/x - Step 3: Cross multiply
681,518.18x = 1,022,287.95 × 201,794.67 - Step 4: Simplify right side
681,518.18x = 206,292,259,515.23 - Step 5: Solve for x
x = 206,292,259,515.23/681,518.18 - Step 6: Final answer
x = 302,695.17
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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.