Finding the Fourth Proportional to 651,685.20, 977,236.20 and 252,193.20
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Solution
The fourth proportional to 651,685.20, 977,236.20 and 252,193.20 is: 378,176.95
Step by Step Solution
- Step 1: Write the proportion equation
651,685.20 : 977,236.20 = 252,193.20 : x - Step 2: Convert to fraction form
651,685.20/977,236.20 = 252,193.20/x - Step 3: Cross multiply
651,685.20x = 977,236.20 × 252,193.20 - Step 4: Simplify right side
651,685.20x = 246,452,324,433.84 - Step 5: Solve for x
x = 246,452,324,433.84/651,685.20 - Step 6: Final answer
x = 378,176.95
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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.