Finding the Fourth Proportional to 146,908.32, 202,729.26 and 83,266.68
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Solution
The fourth proportional to 146,908.32, 202,729.26 and 83,266.68 is: 114,905.63
Step by Step Solution
- Step 1: Write the proportion equation
146,908.32 : 202,729.26 = 83,266.68 : x - Step 2: Convert to fraction form
146,908.32/202,729.26 = 83,266.68/x - Step 3: Cross multiply
146,908.32x = 202,729.26 × 83,266.68 - Step 4: Simplify right side
146,908.32x = 16,880,592,419.06 - Step 5: Solve for x
x = 16,880,592,419.06/146,908.32 - Step 6: Final answer
x = 114,905.63
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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.