Finding the Fourth Proportional to 178,349.85, 245,939.09 and 124,615.26
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Solution
The fourth proportional to 178,349.85, 245,939.09 and 124,615.26 is: 171,840.70
Step by Step Solution
- Step 1: Write the proportion equation
178,349.85 : 245,939.09 = 124,615.26 : x - Step 2: Convert to fraction form
178,349.85/245,939.09 = 124,615.26/x - Step 3: Cross multiply
178,349.85x = 245,939.09 × 124,615.26 - Step 4: Simplify right side
178,349.85x = 30,647,763,021.44 - Step 5: Solve for x
x = 30,647,763,021.44/178,349.85 - Step 6: Final answer
x = 171,840.70
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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.