Finding the Fourth Proportional to 134,335.80, 201,467.70 and 40,816.44
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Solution
The fourth proportional to 134,335.80, 201,467.70 and 40,816.44 is: 61,213.72
Step by Step Solution
- Step 1: Write the proportion equation
134,335.80 : 201,467.70 = 40,816.44 : x - Step 2: Convert to fraction form
134,335.80/201,467.70 = 40,816.44/x - Step 3: Cross multiply
134,335.80x = 201,467.70 × 40,816.44 - Step 4: Simplify right side
134,335.80x = 8,223,194,288.99 - Step 5: Solve for x
x = 8,223,194,288.99/134,335.80 - Step 6: Final answer
x = 61,213.72
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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.