Finding the Fourth Proportional to 298,805.63, 412,351.77 and 164,669.63
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Solution
The fourth proportional to 298,805.63, 412,351.77 and 164,669.63 is: 227,244.09
Step by Step Solution
- Step 1: Write the proportion equation
298,805.63 : 412,351.77 = 164,669.63 : x - Step 2: Convert to fraction form
298,805.63/412,351.77 = 164,669.63/x - Step 3: Cross multiply
298,805.63x = 412,351.77 × 164,669.63 - Step 4: Simplify right side
298,805.63x = 67,901,811,488.36 - Step 5: Solve for x
x = 67,901,811,488.36/298,805.63 - Step 6: Final answer
x = 227,244.09
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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.