Finding the Fourth Proportional to 429,914.88, 644,751.36 and 149,425.92
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Solution
The fourth proportional to 429,914.88, 644,751.36 and 149,425.92 is: 224,096.84
Step by Step Solution
- Step 1: Write the proportion equation
429,914.88 : 644,751.36 = 149,425.92 : x - Step 2: Convert to fraction form
429,914.88/644,751.36 = 149,425.92/x - Step 3: Cross multiply
429,914.88x = 644,751.36 × 149,425.92 - Step 4: Simplify right side
429,914.88x = 96,342,565,139.25 - Step 5: Solve for x
x = 96,342,565,139.25/429,914.88 - Step 6: Final answer
x = 224,096.84
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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.