Finding the Fourth Proportional to 202,134.30, 303,201.45 and 68,994.60
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Solution
The fourth proportional to 202,134.30, 303,201.45 and 68,994.60 is: 103,491.90
Step by Step Solution
- Step 1: Write the proportion equation
202,134.30 : 303,201.45 = 68,994.60 : x - Step 2: Convert to fraction form
202,134.30/303,201.45 = 68,994.60/x - Step 3: Cross multiply
202,134.30x = 303,201.45 × 68,994.60 - Step 4: Simplify right side
202,134.30x = 20,919,262,762.17 - Step 5: Solve for x
x = 20,919,262,762.17/202,134.30 - Step 6: Final answer
x = 103,491.90
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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.