Finding the Fourth Proportional to 153,343.12, 230,025.84 and 48,161.20
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Solution
The fourth proportional to 153,343.12, 230,025.84 and 48,161.20 is: 72,245.31
Step by Step Solution
- Step 1: Write the proportion equation
153,343.12 : 230,025.84 = 48,161.20 : x - Step 2: Convert to fraction form
153,343.12/230,025.84 = 48,161.20/x - Step 3: Cross multiply
153,343.12x = 230,025.84 × 48,161.20 - Step 4: Simplify right side
153,343.12x = 11,078,320,485.41 - Step 5: Solve for x
x = 11,078,320,485.41/153,343.12 - Step 6: Final answer
x = 72,245.31
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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.