Finding the Fourth Proportional to 192,419.03, 265,546.46 and 107,536.09
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Solution
The fourth proportional to 192,419.03, 265,546.46 and 107,536.09 is: 148,404.39
Step by Step Solution
- Step 1: Write the proportion equation
192,419.03 : 265,546.46 = 107,536.09 : x - Step 2: Convert to fraction form
192,419.03/265,546.46 = 107,536.09/x - Step 3: Cross multiply
192,419.03x = 265,546.46 × 107,536.09 - Step 4: Simplify right side
192,419.03x = 28,555,828,021.74 - Step 5: Solve for x
x = 28,555,828,021.74/192,419.03 - Step 6: Final answer
x = 148,404.39
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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.