Finding the Fourth Proportional to 135,012.20, 202,226.70 and 117,516.20
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Solution
The fourth proportional to 135,012.20, 202,226.70 and 117,516.20 is: 176,020.49
Step by Step Solution
- Step 1: Write the proportion equation
135,012.20 : 202,226.70 = 117,516.20 : x - Step 2: Convert to fraction form
135,012.20/202,226.70 = 117,516.20/x - Step 3: Cross multiply
135,012.20x = 202,226.70 × 117,516.20 - Step 4: Simplify right side
135,012.20x = 23,764,913,322.54 - Step 5: Solve for x
x = 23,764,913,322.54/135,012.20 - Step 6: Final answer
x = 176,020.49
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1.5x scale
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.