Finding the Fourth Proportional to 189,794.02, 261,905.52 and 104,906.02
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Solution
The fourth proportional to 189,794.02, 261,905.52 and 104,906.02 is: 144,764.65
Step by Step Solution
- Step 1: Write the proportion equation
189,794.02 : 261,905.52 = 104,906.02 : x - Step 2: Convert to fraction form
189,794.02/261,905.52 = 104,906.02/x - Step 3: Cross multiply
189,794.02x = 261,905.52 × 104,906.02 - Step 4: Simplify right side
189,794.02x = 27,475,465,719.23 - Step 5: Solve for x
x = 27,475,465,719.23/189,794.02 - Step 6: Final answer
x = 144,764.65
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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.