Finding the Fourth Proportional to 365,809.46, 548,889.12 and 129,263.54
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Solution
The fourth proportional to 365,809.46, 548,889.12 and 129,263.54 is: 193,957.12
Step by Step Solution
- Step 1: Write the proportion equation
365,809.46 : 548,889.12 = 129,263.54 : x - Step 2: Convert to fraction form
365,809.46/548,889.12 = 129,263.54/x - Step 3: Cross multiply
365,809.46x = 548,889.12 × 129,263.54 - Step 4: Simplify right side
365,809.46x = 70,951,347,974.24 - Step 5: Solve for x
x = 70,951,347,974.24/365,809.46 - Step 6: Final answer
x = 193,957.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.