Finding the Fourth Proportional to 192,453.60, 265,578.84 and 107,572.08
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Solution
The fourth proportional to 192,453.60, 265,578.84 and 107,572.08 is: 148,445.49
Step by Step Solution
- Step 1: Write the proportion equation
192,453.60 : 265,578.84 = 107,572.08 : x - Step 2: Convert to fraction form
192,453.60/265,578.84 = 107,572.08/x - Step 3: Cross multiply
192,453.60x = 265,578.84 × 107,572.08 - Step 4: Simplify right side
192,453.60x = 28,568,868,222.79 - Step 5: Solve for x
x = 28,568,868,222.79/192,453.60 - Step 6: Final answer
x = 148,445.49
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1.5x scale
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.