Finding the Fourth Proportional to 192,689.36, 265,916.04 and 107,811.92
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Solution
The fourth proportional to 192,689.36, 265,916.04 and 107,811.92 is: 148,783.09
Step by Step Solution
- Step 1: Write the proportion equation
192,689.36 : 265,916.04 = 107,811.92 : x - Step 2: Convert to fraction form
192,689.36/265,916.04 = 107,811.92/x - Step 3: Cross multiply
192,689.36x = 265,916.04 × 107,811.92 - Step 4: Simplify right side
192,689.36x = 28,668,918,831.20 - Step 5: Solve for x
x = 28,668,918,831.20/192,689.36 - Step 6: Final answer
x = 148,783.09
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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.