Finding the Fourth Proportional to 134,492.80, 201,220.80 and 87,836.80
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Solution
The fourth proportional to 134,492.80, 201,220.80 and 87,836.80 is: 131,416.63
Step by Step Solution
- Step 1: Write the proportion equation
134,492.80 : 201,220.80 = 87,836.80 : x - Step 2: Convert to fraction form
134,492.80/201,220.80 = 87,836.80/x - Step 3: Cross multiply
134,492.80x = 201,220.80 × 87,836.80 - Step 4: Simplify right side
134,492.80x = 17,674,591,165.44 - Step 5: Solve for x
x = 17,674,591,165.44/134,492.80 - Step 6: Final answer
x = 131,416.63
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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.