Finding the Fourth Proportional to 146,012.48, 201,496.68 and 82,349.88
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Solution
The fourth proportional to 146,012.48, 201,496.68 and 82,349.88 is: 113,642.53
Step by Step Solution
- Step 1: Write the proportion equation
146,012.48 : 201,496.68 = 82,349.88 : x - Step 2: Convert to fraction form
146,012.48/201,496.68 = 82,349.88/x - Step 3: Cross multiply
146,012.48x = 201,496.68 × 82,349.88 - Step 4: Simplify right side
146,012.48x = 16,593,227,418.40 - Step 5: Solve for x
x = 16,593,227,418.40/146,012.48 - Step 6: Final answer
x = 113,642.53
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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.