Finding the Fourth Proportional to 327,142.17, 451,458.09 and 183,900.96
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Solution
The fourth proportional to 327,142.17, 451,458.09 and 183,900.96 is: 253,784.39
Step by Step Solution
- Step 1: Write the proportion equation
327,142.17 : 451,458.09 = 183,900.96 : x - Step 2: Convert to fraction form
327,142.17/451,458.09 = 183,900.96/x - Step 3: Cross multiply
327,142.17x = 451,458.09 × 183,900.96 - Step 4: Simplify right side
327,142.17x = 83,023,576,150.77 - Step 5: Solve for x
x = 83,023,576,150.77/327,142.17 - Step 6: Final answer
x = 253,784.39
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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.