Finding the Fourth Proportional to 522,336.97, 783,505.64 and 143,261.65
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Solution
The fourth proportional to 522,336.97, 783,505.64 and 143,261.65 is: 214,892.53
Step by Step Solution
- Step 1: Write the proportion equation
522,336.97 : 783,505.64 = 143,261.65 : x - Step 2: Convert to fraction form
522,336.97/783,505.64 = 143,261.65/x - Step 3: Cross multiply
522,336.97x = 783,505.64 × 143,261.65 - Step 4: Simplify right side
522,336.97x = 112,246,310,770.71 - Step 5: Solve for x
x = 112,246,310,770.71/522,336.97 - Step 6: Final answer
x = 214,892.53
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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.