Finding the Fourth Proportional to 415,076.40, 622,216.08 and 264,892.68
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Solution
The fourth proportional to 415,076.40, 622,216.08 and 264,892.68 is: 397,084.69
Step by Step Solution
- Step 1: Write the proportion equation
415,076.40 : 622,216.08 = 264,892.68 : x - Step 2: Convert to fraction form
415,076.40/622,216.08 = 264,892.68/x - Step 3: Cross multiply
415,076.40x = 622,216.08 × 264,892.68 - Step 4: Simplify right side
415,076.40x = 164,820,484,970.29 - Step 5: Solve for x
x = 164,820,484,970.29/415,076.40 - Step 6: Final answer
x = 397,084.69
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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.