Finding the Fourth Proportional to 284,949.40, 393,195.92 and 164,129.98
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Solution
The fourth proportional to 284,949.40, 393,195.92 and 164,129.98 is: 226,479.64
Step by Step Solution
- Step 1: Write the proportion equation
284,949.40 : 393,195.92 = 164,129.98 : x - Step 2: Convert to fraction form
284,949.40/393,195.92 = 164,129.98/x - Step 3: Cross multiply
284,949.40x = 393,195.92 × 164,129.98 - Step 4: Simplify right side
284,949.40x = 64,535,237,665.03 - Step 5: Solve for x
x = 64,535,237,665.03/284,949.40 - Step 6: Final answer
x = 226,479.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.