Finding the Fourth Proportional to 134,560.80, 201,841.20 and 125,812.80
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Solution
The fourth proportional to 134,560.80, 201,841.20 and 125,812.80 is: 188,719.20
Step by Step Solution
- Step 1: Write the proportion equation
134,560.80 : 201,841.20 = 125,812.80 : x - Step 2: Convert to fraction form
134,560.80/201,841.20 = 125,812.80/x - Step 3: Cross multiply
134,560.80x = 201,841.20 × 125,812.80 - Step 4: Simplify right side
134,560.80x = 25,394,206,527.36 - Step 5: Solve for x
x = 25,394,206,527.36/134,560.80 - Step 6: Final answer
x = 188,719.20
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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.