Finding the Fourth Proportional to 192,660.32, 288,918.80 and 66,265.09
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Solution
The fourth proportional to 192,660.32, 288,918.80 and 66,265.09 is: 99,372.98
Step by Step Solution
- Step 1: Write the proportion equation
192,660.32 : 288,918.80 = 66,265.09 : x - Step 2: Convert to fraction form
192,660.32/288,918.80 = 66,265.09/x - Step 3: Cross multiply
192,660.32x = 288,918.80 × 66,265.09 - Step 4: Simplify right side
192,660.32x = 19,145,229,479.56 - Step 5: Solve for x
x = 19,145,229,479.56/192,660.32 - Step 6: Final answer
x = 99,372.98
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1.5x scale
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.