Finding the Fourth Proportional to 203,347.99, 280,620.01 and 112,704.13
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Solution
The fourth proportional to 203,347.99, 280,620.01 and 112,704.13 is: 155,531.58
Step by Step Solution
- Step 1: Write the proportion equation
203,347.99 : 280,620.01 = 112,704.13 : x - Step 2: Convert to fraction form
203,347.99/280,620.01 = 112,704.13/x - Step 3: Cross multiply
203,347.99x = 280,620.01 × 112,704.13 - Step 4: Simplify right side
203,347.99x = 31,627,034,087.64 - Step 5: Solve for x
x = 31,627,034,087.64/203,347.99 - Step 6: Final answer
x = 155,531.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.