Finding the Fourth Proportional to 189,779.63, 284,974.41 and 125,836.54
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Solution
The fourth proportional to 189,779.63, 284,974.41 and 125,836.54 is: 188,957.02
Step by Step Solution
- Step 1: Write the proportion equation
189,779.63 : 284,974.41 = 125,836.54 : x - Step 2: Convert to fraction form
189,779.63/284,974.41 = 125,836.54/x - Step 3: Cross multiply
189,779.63x = 284,974.41 × 125,836.54 - Step 4: Simplify right side
189,779.63x = 35,860,193,030.51 - Step 5: Solve for x
x = 35,860,193,030.51/189,779.63 - Step 6: Final answer
x = 188,957.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.