Finding the Fourth Proportional to 428,261.26, 590,975.84 and 237,263.26
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Solution
The fourth proportional to 428,261.26, 590,975.84 and 237,263.26 is: 327,409.62
Step by Step Solution
- Step 1: Write the proportion equation
428,261.26 : 590,975.84 = 237,263.26 : x - Step 2: Convert to fraction form
428,261.26/590,975.84 = 237,263.26/x - Step 3: Cross multiply
428,261.26x = 590,975.84 × 237,263.26 - Step 4: Simplify right side
428,261.26x = 140,216,854,379.64 - Step 5: Solve for x
x = 140,216,854,379.64/428,261.26 - Step 6: Final answer
x = 327,409.62
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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.