Finding the Fourth Proportional to 225,096.48, 337,644.68 and 91,976.60
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Solution
The fourth proportional to 225,096.48, 337,644.68 and 91,976.60 is: 137,964.88
Step by Step Solution
- Step 1: Write the proportion equation
225,096.48 : 337,644.68 = 91,976.60 : x - Step 2: Convert to fraction form
225,096.48/337,644.68 = 91,976.60/x - Step 3: Cross multiply
225,096.48x = 337,644.68 × 91,976.60 - Step 4: Simplify right side
225,096.48x = 31,055,409,674.49 - Step 5: Solve for x
x = 31,055,409,674.49/225,096.48 - Step 6: Final answer
x = 137,964.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.