Finding the Fourth Proportional to 192,186.36, 265,217.10 and 107,303.40
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Solution
The fourth proportional to 192,186.36, 265,217.10 and 107,303.40 is: 148,078.65
Step by Step Solution
- Step 1: Write the proportion equation
192,186.36 : 265,217.10 = 107,303.40 : x - Step 2: Convert to fraction form
192,186.36/265,217.10 = 107,303.40/x - Step 3: Cross multiply
192,186.36x = 265,217.10 × 107,303.40 - Step 4: Simplify right side
192,186.36x = 28,458,696,568.14 - Step 5: Solve for x
x = 28,458,696,568.14/192,186.36 - Step 6: Final answer
x = 148,078.65
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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.