Finding the Fourth Proportional to 170,563.02, 235,441.81 and 128,244.48
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Solution
The fourth proportional to 170,563.02, 235,441.81 and 128,244.48 is: 177,026.14
Step by Step Solution
- Step 1: Write the proportion equation
170,563.02 : 235,441.81 = 128,244.48 : x - Step 2: Convert to fraction form
170,563.02/235,441.81 = 128,244.48/x - Step 3: Cross multiply
170,563.02x = 235,441.81 × 128,244.48 - Step 4: Simplify right side
170,563.02x = 30,194,112,493.71 - Step 5: Solve for x
x = 30,194,112,493.71/170,563.02 - Step 6: Final answer
x = 177,026.14
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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.