Finding the Fourth Proportional to 126,322.24, 189,549.78 and 51,497.68
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Solution
The fourth proportional to 126,322.24, 189,549.78 and 51,497.68 is: 77,273.60
Step by Step Solution
- Step 1: Write the proportion equation
126,322.24 : 189,549.78 = 51,497.68 : x - Step 2: Convert to fraction form
126,322.24/189,549.78 = 51,497.68/x - Step 3: Cross multiply
126,322.24x = 189,549.78 × 51,497.68 - Step 4: Simplify right side
126,322.24x = 9,761,373,914.51 - Step 5: Solve for x
x = 9,761,373,914.51/126,322.24 - Step 6: Final answer
x = 77,273.60
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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.