Finding the Fourth Proportional to 194,804.10, 292,004.55 and 105,869.70
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Solution
The fourth proportional to 194,804.10, 292,004.55 and 105,869.70 is: 158,694.99
Step by Step Solution
- Step 1: Write the proportion equation
194,804.10 : 292,004.55 = 105,869.70 : x - Step 2: Convert to fraction form
194,804.10/292,004.55 = 105,869.70/x - Step 3: Cross multiply
194,804.10x = 292,004.55 × 105,869.70 - Step 4: Simplify right side
194,804.10x = 30,914,434,107.14 - Step 5: Solve for x
x = 30,914,434,107.14/194,804.10 - Step 6: Final answer
x = 158,694.99
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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.