Finding the Fourth Proportional to 134,866.38, 202,424.12 and 126,728.68
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Solution
The fourth proportional to 134,866.38, 202,424.12 and 126,728.68 is: 190,210.05
Step by Step Solution
- Step 1: Write the proportion equation
134,866.38 : 202,424.12 = 126,728.68 : x - Step 2: Convert to fraction form
134,866.38/202,424.12 = 126,728.68/x - Step 3: Cross multiply
134,866.38x = 202,424.12 × 126,728.68 - Step 4: Simplify right side
134,866.38x = 25,652,941,527.76 - Step 5: Solve for x
x = 25,652,941,527.76/134,866.38 - Step 6: Final answer
x = 190,210.05
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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.