Finding the Fourth Proportional to 370,431.97, 511,197.68 and 200,666.09
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Solution
The fourth proportional to 370,431.97, 511,197.68 and 200,666.09 is: 276,920.06
Step by Step Solution
- Step 1: Write the proportion equation
370,431.97 : 511,197.68 = 200,666.09 : x - Step 2: Convert to fraction form
370,431.97/511,197.68 = 200,666.09/x - Step 3: Cross multiply
370,431.97x = 511,197.68 × 200,666.09 - Step 4: Simplify right side
370,431.97x = 102,580,041,442.33 - Step 5: Solve for x
x = 102,580,041,442.33/370,431.97 - Step 6: Final answer
x = 276,920.06
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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.