Finding the Fourth Proportional to 201,797.04, 278,479.84 and 116,963.28
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Solution
The fourth proportional to 201,797.04, 278,479.84 and 116,963.28 is: 161,409.28
Step by Step Solution
- Step 1: Write the proportion equation
201,797.04 : 278,479.84 = 116,963.28 : x - Step 2: Convert to fraction form
201,797.04/278,479.84 = 116,963.28/x - Step 3: Cross multiply
201,797.04x = 278,479.84 × 116,963.28 - Step 4: Simplify right side
201,797.04x = 32,571,915,500.28 - Step 5: Solve for x
x = 32,571,915,500.28/201,797.04 - Step 6: Final answer
x = 161,409.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.