Finding the Fourth Proportional to 138,523.23, 207,796.63 and 43,728.05
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Solution
The fourth proportional to 138,523.23, 207,796.63 and 43,728.05 is: 65,595.80
Step by Step Solution
- Step 1: Write the proportion equation
138,523.23 : 207,796.63 = 43,728.05 : x - Step 2: Convert to fraction form
138,523.23/207,796.63 = 43,728.05/x - Step 3: Cross multiply
138,523.23x = 207,796.63 × 43,728.05 - Step 4: Simplify right side
138,523.23x = 9,086,541,426.47 - Step 5: Solve for x
x = 9,086,541,426.47/138,523.23 - Step 6: Final answer
x = 65,595.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.