Finding the Fourth Proportional to 145,474.68, 218,115.36 and 56,736.48
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Solution
The fourth proportional to 145,474.68, 218,115.36 and 56,736.48 is: 85,067.02
Step by Step Solution
- Step 1: Write the proportion equation
145,474.68 : 218,115.36 = 56,736.48 : x - Step 2: Convert to fraction form
145,474.68/218,115.36 = 56,736.48/x - Step 3: Cross multiply
145,474.68x = 218,115.36 × 56,736.48 - Step 4: Simplify right side
145,474.68x = 12,375,097,760.33 - Step 5: Solve for x
x = 12,375,097,760.33/145,474.68 - Step 6: Final answer
x = 85,067.02
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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.