Finding the Fourth Proportional to 428,258.26, 590,971.71 and 237,260.26
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Solution
The fourth proportional to 428,258.26, 590,971.71 and 237,260.26 is: 327,405.48
Step by Step Solution
- Step 1: Write the proportion equation
428,258.26 : 590,971.71 = 237,260.26 : x - Step 2: Convert to fraction form
428,258.26/590,971.71 = 237,260.26/x - Step 3: Cross multiply
428,258.26x = 590,971.71 × 237,260.26 - Step 4: Simplify right side
428,258.26x = 140,214,101,567.25 - Step 5: Solve for x
x = 140,214,101,567.25/428,258.26 - Step 6: Final answer
x = 327,405.48
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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.