Finding the Fourth Proportional to 294,476.80, 441,719.04 and 84,121.60
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Solution
The fourth proportional to 294,476.80, 441,719.04 and 84,121.60 is: 126,183.50
Step by Step Solution
- Step 1: Write the proportion equation
294,476.80 : 441,719.04 = 84,121.60 : x - Step 2: Convert to fraction form
294,476.80/441,719.04 = 84,121.60/x - Step 3: Cross multiply
294,476.80x = 441,719.04 × 84,121.60 - Step 4: Simplify right side
294,476.80x = 37,158,112,395.26 - Step 5: Solve for x
x = 37,158,112,395.26/294,476.80 - Step 6: Final answer
x = 126,183.50
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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.