Finding the Fourth Proportional to 192,412.80, 265,523.58 and 135,135.36
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Solution
The fourth proportional to 192,412.80, 265,523.58 and 135,135.36 is: 186,482.52
Step by Step Solution
- Step 1: Write the proportion equation
192,412.80 : 265,523.58 = 135,135.36 : x - Step 2: Convert to fraction form
192,412.80/265,523.58 = 135,135.36/x - Step 3: Cross multiply
192,412.80x = 265,523.58 × 135,135.36 - Step 4: Simplify right side
192,412.80x = 35,881,624,571.79 - Step 5: Solve for x
x = 35,881,624,571.79/192,412.80 - Step 6: Final answer
x = 186,482.52
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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.