Finding the Fourth Proportional to 273,743.84, 410,553.84 and 86,653.28
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Solution
The fourth proportional to 273,743.84, 410,553.84 and 86,653.28 is: 129,960.32
Step by Step Solution
- Step 1: Write the proportion equation
273,743.84 : 410,553.84 = 86,653.28 : x - Step 2: Convert to fraction form
273,743.84/410,553.84 = 86,653.28/x - Step 3: Cross multiply
273,743.84x = 410,553.84 × 86,653.28 - Step 4: Simplify right side
273,743.84x = 35,575,836,852.60 - Step 5: Solve for x
x = 35,575,836,852.60/273,743.84 - Step 6: Final answer
x = 129,960.32
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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.