Finding the Fourth Proportional to 127,403.28, 175,414.88 and 115,593.44
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Solution
The fourth proportional to 127,403.28, 175,414.88 and 115,593.44 is: 159,154.53
Step by Step Solution
- Step 1: Write the proportion equation
127,403.28 : 175,414.88 = 115,593.44 : x - Step 2: Convert to fraction form
127,403.28/175,414.88 = 115,593.44/x - Step 3: Cross multiply
127,403.28x = 175,414.88 × 115,593.44 - Step 4: Simplify right side
127,403.28x = 20,276,809,406.39 - Step 5: Solve for x
x = 20,276,809,406.39/127,403.28 - Step 6: Final answer
x = 159,154.53
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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.