Finding the Fourth Proportional to 397,536.41, 548,614.88 and 227,803.34
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Solution
The fourth proportional to 397,536.41, 548,614.88 and 227,803.34 is: 314,376.99
Step by Step Solution
- Step 1: Write the proportion equation
397,536.41 : 548,614.88 = 227,803.34 : x - Step 2: Convert to fraction form
397,536.41/548,614.88 = 227,803.34/x - Step 3: Cross multiply
397,536.41x = 548,614.88 × 227,803.34 - Step 4: Simplify right side
397,536.41x = 124,976,298,155.61 - Step 5: Solve for x
x = 124,976,298,155.61/397,536.41 - Step 6: Final answer
x = 314,376.99
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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.