Finding the Fourth Proportional to 370,842.34, 511,757.49 and 201,072.82
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Solution
The fourth proportional to 370,842.34, 511,757.49 and 201,072.82 is: 277,477.81
Step by Step Solution
- Step 1: Write the proportion equation
370,842.34 : 511,757.49 = 201,072.82 : x - Step 2: Convert to fraction form
370,842.34/511,757.49 = 201,072.82/x - Step 3: Cross multiply
370,842.34x = 511,757.49 × 201,072.82 - Step 4: Simplify right side
370,842.34x = 102,900,521,670.42 - Step 5: Solve for x
x = 102,900,521,670.42/370,842.34 - Step 6: Final answer
x = 277,477.81
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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.