Finding the Fourth Proportional to 279,804.43, 385,855.79 and 177,652.54
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Solution
The fourth proportional to 279,804.43, 385,855.79 and 177,652.54 is: 244,986.33
Step by Step Solution
- Step 1: Write the proportion equation
279,804.43 : 385,855.79 = 177,652.54 : x - Step 2: Convert to fraction form
279,804.43/385,855.79 = 177,652.54/x - Step 3: Cross multiply
279,804.43x = 385,855.79 × 177,652.54 - Step 4: Simplify right side
279,804.43x = 68,548,261,167.21 - Step 5: Solve for x
x = 68,548,261,167.21/279,804.43 - Step 6: Final answer
x = 244,986.33
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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.