Finding the Fourth Proportional to 270,236.16, 372,952.44 and 149,405.76
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Solution
The fourth proportional to 270,236.16, 372,952.44 and 149,405.76 is: 206,194.62
Step by Step Solution
- Step 1: Write the proportion equation
270,236.16 : 372,952.44 = 149,405.76 : x - Step 2: Convert to fraction form
270,236.16/372,952.44 = 149,405.76/x - Step 3: Cross multiply
270,236.16x = 372,952.44 × 149,405.76 - Step 4: Simplify right side
270,236.16x = 55,721,242,742.05 - Step 5: Solve for x
x = 55,721,242,742.05/270,236.16 - Step 6: Final answer
x = 206,194.62
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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.