Finding the Fourth Proportional to 370,539.28, 511,353.68 and 227,378.44
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Solution
The fourth proportional to 370,539.28, 511,353.68 and 227,378.44 is: 313,788.06
Step by Step Solution
- Step 1: Write the proportion equation
370,539.28 : 511,353.68 = 227,378.44 : x - Step 2: Convert to fraction form
370,539.28/511,353.68 = 227,378.44/x - Step 3: Cross multiply
370,539.28x = 511,353.68 × 227,378.44 - Step 4: Simplify right side
370,539.28x = 116,270,802,046.66 - Step 5: Solve for x
x = 116,270,802,046.66/370,539.28 - Step 6: Final answer
x = 313,788.06
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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.