Finding the Fourth Proportional to 252,416.72, 378,425.16 and 125,991.92
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Solution
The fourth proportional to 252,416.72, 378,425.16 and 125,991.92 is: 188,888.09
Step by Step Solution
- Step 1: Write the proportion equation
252,416.72 : 378,425.16 = 125,991.92 : x - Step 2: Convert to fraction form
252,416.72/378,425.16 = 125,991.92/x - Step 3: Cross multiply
252,416.72x = 378,425.16 × 125,991.92 - Step 4: Simplify right side
252,416.72x = 47,678,512,484.71 - Step 5: Solve for x
x = 47,678,512,484.71/252,416.72 - Step 6: Final answer
x = 188,888.09
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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.