Finding the Fourth Proportional to 370,486.67, 511,272.14 and 200,720.79
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Solution
The fourth proportional to 370,486.67, 511,272.14 and 200,720.79 is: 276,994.98
Step by Step Solution
- Step 1: Write the proportion equation
370,486.67 : 511,272.14 = 200,720.79 : x - Step 2: Convert to fraction form
370,486.67/511,272.14 = 200,720.79/x - Step 3: Cross multiply
370,486.67x = 511,272.14 × 200,720.79 - Step 4: Simplify right side
370,486.67x = 102,622,946,842.19 - Step 5: Solve for x
x = 102,622,946,842.19/370,486.67 - Step 6: Final answer
x = 276,994.98
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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.