Finding the Fourth Proportional to 765,660, 1,148,402.36 and 204,738.24
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Solution
The fourth proportional to 765,660, 1,148,402.36 and 204,738.24 is: 307,083.92
Step by Step Solution
- Step 1: Write the proportion equation
765,660 : 1,148,402.36 = 204,738.24 : x - Step 2: Convert to fraction form
765,660/1,148,402.36 = 204,738.24/x - Step 3: Cross multiply
765,660x = 1,148,402.36 × 204,738.24 - Step 4: Simplify right side
765,660x = 235,121,877,998.25 - Step 5: Solve for x
x = 235,121,877,998.25/765,660 - Step 6: Final answer
x = 307,083.92
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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.