Finding the Fourth Proportional to 765,651.75, 1,148,390.07 and 204,729.99
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Solution
The fourth proportional to 765,651.75, 1,148,390.07 and 204,729.99 is: 307,071.57
Step by Step Solution
- Step 1: Write the proportion equation
765,651.75 : 1,148,390.07 = 204,729.99 : x - Step 2: Convert to fraction form
765,651.75/1,148,390.07 = 204,729.99/x - Step 3: Cross multiply
765,651.75x = 1,148,390.07 × 204,729.99 - Step 4: Simplify right side
765,651.75x = 235,109,887,547.20 - Step 5: Solve for x
x = 235,109,887,547.20/765,651.75 - Step 6: Final answer
x = 307,071.57
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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.