Finding the Fourth Proportional to 134,828.40, 202,372.20 and 68,343.60
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Solution
The fourth proportional to 134,828.40, 202,372.20 and 68,343.60 is: 102,581.09
Step by Step Solution
- Step 1: Write the proportion equation
134,828.40 : 202,372.20 = 68,343.60 : x - Step 2: Convert to fraction form
134,828.40/202,372.20 = 68,343.60/x - Step 3: Cross multiply
134,828.40x = 202,372.20 × 68,343.60 - Step 4: Simplify right side
134,828.40x = 13,830,844,687.92 - Step 5: Solve for x
x = 13,830,844,687.92/134,828.40 - Step 6: Final answer
x = 102,581.09
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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.