Finding the Fourth Proportional to 134,472.40, 201,708.60 and 112,821.10
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Solution
The fourth proportional to 134,472.40, 201,708.60 and 112,821.10 is: 169,231.65
Step by Step Solution
- Step 1: Write the proportion equation
134,472.40 : 201,708.60 = 112,821.10 : x - Step 2: Convert to fraction form
134,472.40/201,708.60 = 112,821.10/x - Step 3: Cross multiply
134,472.40x = 201,708.60 × 112,821.10 - Step 4: Simplify right side
134,472.40x = 22,756,986,131.46 - Step 5: Solve for x
x = 22,756,986,131.46/134,472.40 - Step 6: Final answer
x = 169,231.65
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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.