Finding the Fourth Proportional to 201,130.44, 277,581.78 and 128,599.08
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Solution
The fourth proportional to 201,130.44, 277,581.78 and 128,599.08 is: 177,480.65
Step by Step Solution
- Step 1: Write the proportion equation
201,130.44 : 277,581.78 = 128,599.08 : x - Step 2: Convert to fraction form
201,130.44/277,581.78 = 128,599.08/x - Step 3: Cross multiply
201,130.44x = 277,581.78 × 128,599.08 - Step 4: Simplify right side
201,130.44x = 35,696,761,532.76 - Step 5: Solve for x
x = 35,696,761,532.76/201,130.44 - Step 6: Final answer
x = 177,480.65
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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.