Finding the Fourth Proportional to 397,536.90, 548,615.56 and 227,803.84
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Solution
The fourth proportional to 397,536.90, 548,615.56 and 227,803.84 is: 314,377.69
Step by Step Solution
- Step 1: Write the proportion equation
397,536.90 : 548,615.56 = 227,803.84 : x - Step 2: Convert to fraction form
397,536.90/548,615.56 = 227,803.84/x - Step 3: Cross multiply
397,536.90x = 548,615.56 × 227,803.84 - Step 4: Simplify right side
397,536.90x = 124,976,731,251.75 - Step 5: Solve for x
x = 124,976,731,251.75/397,536.90 - Step 6: Final answer
x = 314,377.69
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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.