Finding the Fourth Proportional to 415,218.06, 622,827.45 and 297,120.06
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Solution
The fourth proportional to 415,218.06, 622,827.45 and 297,120.06 is: 445,680.35
Step by Step Solution
- Step 1: Write the proportion equation
415,218.06 : 622,827.45 = 297,120.06 : x - Step 2: Convert to fraction form
415,218.06/622,827.45 = 297,120.06/x - Step 3: Cross multiply
415,218.06x = 622,827.45 × 297,120.06 - Step 4: Simplify right side
415,218.06x = 185,054,529,313.65 - Step 5: Solve for x
x = 185,054,529,313.65/415,218.06 - Step 6: Final answer
x = 445,680.35
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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.