Finding the Fourth Proportional to 248,617.26, 372,925.90 and 82,405.26
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Solution
The fourth proportional to 248,617.26, 372,925.90 and 82,405.26 is: 123,607.89
Step by Step Solution
- Step 1: Write the proportion equation
248,617.26 : 372,925.90 = 82,405.26 : x - Step 2: Convert to fraction form
248,617.26/372,925.90 = 82,405.26/x - Step 3: Cross multiply
248,617.26x = 372,925.90 × 82,405.26 - Step 4: Simplify right side
248,617.26x = 30,731,055,750.23 - Step 5: Solve for x
x = 30,731,055,750.23/248,617.26 - Step 6: Final answer
x = 123,607.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.