Finding the Fourth Proportional to 347,236.21, 523,456.92 and 324,089.47
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Solution
The fourth proportional to 347,236.21, 523,456.92 and 324,089.47 is: 488,563.32
Step by Step Solution
- Step 1: Write the proportion equation
347,236.21 : 523,456.92 = 324,089.47 : x - Step 2: Convert to fraction form
347,236.21/523,456.92 = 324,089.47/x - Step 3: Cross multiply
347,236.21x = 523,456.92 × 324,089.47 - Step 4: Simplify right side
347,236.21x = 169,646,875,770.63 - Step 5: Solve for x
x = 169,646,875,770.63/347,236.21 - Step 6: Final answer
x = 488,563.32
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.