Finding the Fourth Proportional to 270,101.64, 372,721.08 and 149,241.63
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Solution
The fourth proportional to 270,101.64, 372,721.08 and 149,241.63 is: 205,942.85
Step by Step Solution
- Step 1: Write the proportion equation
270,101.64 : 372,721.08 = 149,241.63 : x - Step 2: Convert to fraction form
270,101.64/372,721.08 = 149,241.63/x - Step 3: Cross multiply
270,101.64x = 372,721.08 × 149,241.63 - Step 4: Simplify right side
270,101.64x = 55,625,501,514.56 - Step 5: Solve for x
x = 55,625,501,514.56/270,101.64 - Step 6: Final answer
x = 205,942.85
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1.5x scale
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.