Finding the Fourth Proportional to 192,687.36, 265,913.28 and 107,809.92
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Solution
The fourth proportional to 192,687.36, 265,913.28 and 107,809.92 is: 148,780.33
Step by Step Solution
- Step 1: Write the proportion equation
192,687.36 : 265,913.28 = 107,809.92 : x - Step 2: Convert to fraction form
192,687.36/265,913.28 = 107,809.92/x - Step 3: Cross multiply
192,687.36x = 265,913.28 × 107,809.92 - Step 4: Simplify right side
192,687.36x = 28,668,089,443.74 - Step 5: Solve for x
x = 28,668,089,443.74/192,687.36 - Step 6: Final answer
x = 148,780.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.