Finding the Fourth Proportional to 134,893.40, 202,340.10 and 127,635.80
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Solution
The fourth proportional to 134,893.40, 202,340.10 and 127,635.80 is: 191,453.70
Step by Step Solution
- Step 1: Write the proportion equation
134,893.40 : 202,340.10 = 127,635.80 : x - Step 2: Convert to fraction form
134,893.40/202,340.10 = 127,635.80/x - Step 3: Cross multiply
134,893.40x = 202,340.10 × 127,635.80 - Step 4: Simplify right side
134,893.40x = 25,825,840,535.58 - Step 5: Solve for x
x = 25,825,840,535.58/134,893.40 - Step 6: Final answer
x = 191,453.70
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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.