Finding the Fourth Proportional to 270,237.56, 372,921.26 and 149,375.75
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Solution
The fourth proportional to 270,237.56, 372,921.26 and 149,375.75 is: 206,134.90
Step by Step Solution
- Step 1: Write the proportion equation
270,237.56 : 372,921.26 = 149,375.75 : x - Step 2: Convert to fraction form
270,237.56/372,921.26 = 149,375.75/x - Step 3: Cross multiply
270,237.56x = 372,921.26 × 149,375.75 - Step 4: Simplify right side
270,237.56x = 55,705,390,291.96 - Step 5: Solve for x
x = 55,705,390,291.96/270,237.56 - Step 6: Final answer
x = 206,134.90
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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.