Finding the Fourth Proportional to 146,247.50, 201,852.74 and 100,369.91
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Solution
The fourth proportional to 146,247.50, 201,852.74 and 100,369.91 is: 138,531.88
Step by Step Solution
- Step 1: Write the proportion equation
146,247.50 : 201,852.74 = 100,369.91 : x - Step 2: Convert to fraction form
146,247.50/201,852.74 = 100,369.91/x - Step 3: Cross multiply
146,247.50x = 201,852.74 × 100,369.91 - Step 4: Simplify right side
146,247.50x = 20,259,941,347.05 - Step 5: Solve for x
x = 20,259,941,347.05/146,247.50 - Step 6: Final answer
x = 138,531.88
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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.