Finding the Fourth Proportional to 294,982.11, 442,473.69 and 126,393.18
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Solution
The fourth proportional to 294,982.11, 442,473.69 and 126,393.18 is: 189,589.99
Step by Step Solution
- Step 1: Write the proportion equation
294,982.11 : 442,473.69 = 126,393.18 : x - Step 2: Convert to fraction form
294,982.11/442,473.69 = 126,393.18/x - Step 3: Cross multiply
294,982.11x = 442,473.69 × 126,393.18 - Step 4: Simplify right side
294,982.11x = 55,925,656,745.43 - Step 5: Solve for x
x = 55,925,656,745.43/294,982.11 - Step 6: Final answer
x = 189,589.99
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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.