Finding the Fourth Proportional to 348,837.44, 481,470.63 and 212,842.18
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Solution
The fourth proportional to 348,837.44, 481,470.63 and 212,842.18 is: 293,767.95
Step by Step Solution
- Step 1: Write the proportion equation
348,837.44 : 481,470.63 = 212,842.18 : x - Step 2: Convert to fraction form
348,837.44/481,470.63 = 212,842.18/x - Step 3: Cross multiply
348,837.44x = 481,470.63 × 212,842.18 - Step 4: Simplify right side
348,837.44x = 102,477,259,496.09 - Step 5: Solve for x
x = 102,477,259,496.09/348,837.44 - Step 6: Final answer
x = 293,767.95
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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.