Finding the Fourth Proportional to 415,273.21, 622,395.84 and 295,138.66
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Solution
The fourth proportional to 415,273.21, 622,395.84 and 295,138.66 is: 442,342.70
Step by Step Solution
- Step 1: Write the proportion equation
415,273.21 : 622,395.84 = 295,138.66 : x - Step 2: Convert to fraction form
415,273.21/622,395.84 = 295,138.66/x - Step 3: Cross multiply
415,273.21x = 622,395.84 × 295,138.66 - Step 4: Simplify right side
415,273.21x = 183,693,074,207.17 - Step 5: Solve for x
x = 183,693,074,207.17/415,273.21 - Step 6: Final answer
x = 442,342.70
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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.