Finding the Fourth Proportional to 428,134.47, 590,845.02 and 237,147.84
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Solution
The fourth proportional to 428,134.47, 590,845.02 and 237,147.84 is: 327,274.79
Step by Step Solution
- Step 1: Write the proportion equation
428,134.47 : 590,845.02 = 237,147.84 : x - Step 2: Convert to fraction form
428,134.47/590,845.02 = 237,147.84/x - Step 3: Cross multiply
428,134.47x = 590,845.02 × 237,147.84 - Step 4: Simplify right side
428,134.47x = 140,117,620,267.76 - Step 5: Solve for x
x = 140,117,620,267.76/428,134.47 - Step 6: Final answer
x = 327,274.79
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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.