Finding the Fourth Proportional to 298,989.80, 448,694.84 and 270,404.08
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Solution
The fourth proportional to 298,989.80, 448,694.84 and 270,404.08 is: 405,796.17
Step by Step Solution
- Step 1: Write the proportion equation
298,989.80 : 448,694.84 = 270,404.08 : x - Step 2: Convert to fraction form
298,989.80/448,694.84 = 270,404.08/x - Step 3: Cross multiply
298,989.80x = 448,694.84 × 270,404.08 - Step 4: Simplify right side
298,989.80x = 121,328,914,965.22 - Step 5: Solve for x
x = 121,328,914,965.22/298,989.80 - Step 6: Final answer
x = 405,796.17
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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.