Finding the Fourth Proportional to 386,708.62, 580,090.66 and 161,842.68
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Solution
The fourth proportional to 386,708.62, 580,090.66 and 161,842.68 is: 242,775.63
Step by Step Solution
- Step 1: Write the proportion equation
386,708.62 : 580,090.66 = 161,842.68 : x - Step 2: Convert to fraction form
386,708.62/580,090.66 = 161,842.68/x - Step 3: Cross multiply
386,708.62x = 580,090.66 × 161,842.68 - Step 4: Simplify right side
386,708.62x = 93,883,427,057.37 - Step 5: Solve for x
x = 93,883,427,057.37/386,708.62 - Step 6: Final answer
x = 242,775.63
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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.