Finding the Fourth Proportional to 415,349.70, 622,794.15 and 165,749.70
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Solution
The fourth proportional to 415,349.70, 622,794.15 and 165,749.70 is: 248,532.61
Step by Step Solution
- Step 1: Write the proportion equation
415,349.70 : 622,794.15 = 165,749.70 : x - Step 2: Convert to fraction form
415,349.70/622,794.15 = 165,749.70/x - Step 3: Cross multiply
415,349.70x = 622,794.15 × 165,749.70 - Step 4: Simplify right side
415,349.70x = 103,227,943,524.26 - Step 5: Solve for x
x = 103,227,943,524.26/415,349.70 - Step 6: Final answer
x = 248,532.61
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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.