Finding the Fourth Proportional to 134,812.40, 202,218.60 and 124,674.80
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Solution
The fourth proportional to 134,812.40, 202,218.60 and 124,674.80 is: 187,012.20
Step by Step Solution
- Step 1: Write the proportion equation
134,812.40 : 202,218.60 = 124,674.80 : x - Step 2: Convert to fraction form
134,812.40/202,218.60 = 124,674.80/x - Step 3: Cross multiply
134,812.40x = 202,218.60 × 124,674.80 - Step 4: Simplify right side
134,812.40x = 25,211,563,511.28 - Step 5: Solve for x
x = 25,211,563,511.28/134,812.40 - Step 6: Final answer
x = 187,012.20
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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.