Finding the Fourth Proportional to 343,425.36, 515,135.52 and 106,767.60
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Solution
The fourth proportional to 343,425.36, 515,135.52 and 106,767.60 is: 160,150.62
Step by Step Solution
- Step 1: Write the proportion equation
343,425.36 : 515,135.52 = 106,767.60 : x - Step 2: Convert to fraction form
343,425.36/515,135.52 = 106,767.60/x - Step 3: Cross multiply
343,425.36x = 515,135.52 × 106,767.60 - Step 4: Simplify right side
343,425.36x = 54,999,783,145.15 - Step 5: Solve for x
x = 54,999,783,145.15/343,425.36 - Step 6: Final answer
x = 160,150.62
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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.