Finding the Fourth Proportional to 270,259.22, 372,955.26 and 149,403.62
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Solution
The fourth proportional to 270,259.22, 372,955.26 and 149,403.62 is: 206,175.63
Step by Step Solution
- Step 1: Write the proportion equation
270,259.22 : 372,955.26 = 149,403.62 : x - Step 2: Convert to fraction form
270,259.22/372,955.26 = 149,403.62/x - Step 3: Cross multiply
270,259.22x = 372,955.26 × 149,403.62 - Step 4: Simplify right side
270,259.22x = 55,720,865,942.04 - Step 5: Solve for x
x = 55,720,865,942.04/270,259.22 - Step 6: Final answer
x = 206,175.63
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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.