Finding the Fourth Proportional to 98,748.56, 148,138.20 and 32,173.20
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Solution
The fourth proportional to 98,748.56, 148,138.20 and 32,173.20 is: 48,264.80
Step by Step Solution
- Step 1: Write the proportion equation
98,748.56 : 148,138.20 = 32,173.20 : x - Step 2: Convert to fraction form
98,748.56/148,138.20 = 32,173.20/x - Step 3: Cross multiply
98,748.56x = 148,138.20 × 32,173.20 - Step 4: Simplify right side
98,748.56x = 4,766,079,936.24 - Step 5: Solve for x
x = 4,766,079,936.24/98,748.56 - Step 6: Final answer
x = 48,264.80
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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.