Finding the Fourth Proportional to 190,719.36, 263,204.64 and 110,161.62
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Solution
The fourth proportional to 190,719.36, 263,204.64 and 110,161.62 is: 152,029.92
Step by Step Solution
- Step 1: Write the proportion equation
190,719.36 : 263,204.64 = 110,161.62 : x - Step 2: Convert to fraction form
190,719.36/263,204.64 = 110,161.62/x - Step 3: Cross multiply
190,719.36x = 263,204.64 × 110,161.62 - Step 4: Simplify right side
190,719.36x = 28,995,049,533.92 - Step 5: Solve for x
x = 28,995,049,533.92/190,719.36 - Step 6: Final answer
x = 152,029.92
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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.