Finding the Fourth Proportional to 294,797.21, 442,119.26 and 84,385.94
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Solution
The fourth proportional to 294,797.21, 442,119.26 and 84,385.94 is: 126,556.99
Step by Step Solution
- Step 1: Write the proportion equation
294,797.21 : 442,119.26 = 84,385.94 : x - Step 2: Convert to fraction form
294,797.21/442,119.26 = 84,385.94/x - Step 3: Cross multiply
294,797.21x = 442,119.26 × 84,385.94 - Step 4: Simplify right side
294,797.21x = 37,308,647,347.57 - Step 5: Solve for x
x = 37,308,647,347.57/294,797.21 - Step 6: Final answer
x = 126,556.99
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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.