Finding the Fourth Proportional to 428,259.26, 590,973.08 and 237,261.26
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Solution
The fourth proportional to 428,259.26, 590,973.08 and 237,261.26 is: 327,406.86
Step by Step Solution
- Step 1: Write the proportion equation
428,259.26 : 590,973.08 = 237,261.26 : x - Step 2: Convert to fraction form
428,259.26/590,973.08 = 237,261.26/x - Step 3: Cross multiply
428,259.26x = 590,973.08 × 237,261.26 - Step 4: Simplify right side
428,259.26x = 140,215,017,586.88 - Step 5: Solve for x
x = 140,215,017,586.88/428,259.26 - Step 6: Final answer
x = 327,406.86
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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.