Finding the Fourth Proportional to 200,220.56, 276,277.10 and 119,631.05
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Solution
The fourth proportional to 200,220.56, 276,277.10 and 119,631.05 is: 165,074.55
Step by Step Solution
- Step 1: Write the proportion equation
200,220.56 : 276,277.10 = 119,631.05 : x - Step 2: Convert to fraction form
200,220.56/276,277.10 = 119,631.05/x - Step 3: Cross multiply
200,220.56x = 276,277.10 × 119,631.05 - Step 4: Simplify right side
200,220.56x = 33,051,317,584.41 - Step 5: Solve for x
x = 33,051,317,584.41/200,220.56 - Step 6: Final answer
x = 165,074.55
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1.5x scale
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.