Finding the Fourth Proportional to 428,197.51, 590,864.86 and 237,163.06
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Solution
The fourth proportional to 428,197.51, 590,864.86 and 237,163.06 is: 327,258.60
Step by Step Solution
- Step 1: Write the proportion equation
428,197.51 : 590,864.86 = 237,163.06 : x - Step 2: Convert to fraction form
428,197.51/590,864.86 = 237,163.06/x - Step 3: Cross multiply
428,197.51x = 590,864.86 × 237,163.06 - Step 4: Simplify right side
428,197.51x = 140,131,318,244.07 - Step 5: Solve for x
x = 140,131,318,244.07/428,197.51 - Step 6: Final answer
x = 327,258.60
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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.