Finding the Fourth Proportional to 393,634.41, 543,289.67 and 246,527.47
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Solution
The fourth proportional to 393,634.41, 543,289.67 and 246,527.47 is: 340,254.37
Step by Step Solution
- Step 1: Write the proportion equation
393,634.41 : 543,289.67 = 246,527.47 : x - Step 2: Convert to fraction form
393,634.41/543,289.67 = 246,527.47/x - Step 3: Cross multiply
393,634.41x = 543,289.67 × 246,527.47 - Step 4: Simplify right side
393,634.41x = 133,935,827,822.24 - Step 5: Solve for x
x = 133,935,827,822.24/393,634.41 - Step 6: Final answer
x = 340,254.37
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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.