Finding the Fourth Proportional to 376,619.68, 519,747.60 and 206,869.60
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Solution
The fourth proportional to 376,619.68, 519,747.60 and 206,869.60 is: 285,486.88
Step by Step Solution
- Step 1: Write the proportion equation
376,619.68 : 519,747.60 = 206,869.60 : x - Step 2: Convert to fraction form
376,619.68/519,747.60 = 206,869.60/x - Step 3: Cross multiply
376,619.68x = 519,747.60 × 206,869.60 - Step 4: Simplify right side
376,619.68x = 107,519,978,112.96 - Step 5: Solve for x
x = 107,519,978,112.96/376,619.68 - Step 6: Final answer
x = 285,486.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.