Finding the Fourth Proportional to 163,457.24, 225,576.76 and 91,835.80
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Solution
The fourth proportional to 163,457.24, 225,576.76 and 91,835.80 is: 126,736.65
Step by Step Solution
- Step 1: Write the proportion equation
163,457.24 : 225,576.76 = 91,835.80 : x - Step 2: Convert to fraction form
163,457.24/225,576.76 = 91,835.80/x - Step 3: Cross multiply
163,457.24x = 225,576.76 × 91,835.80 - Step 4: Simplify right side
163,457.24x = 20,716,022,216.01 - Step 5: Solve for x
x = 20,716,022,216.01/163,457.24 - Step 6: Final answer
x = 126,736.65
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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.