Finding the Fourth Proportional to 263,943.84, 395,915.28 and 74,403.84
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Solution
The fourth proportional to 263,943.84, 395,915.28 and 74,403.84 is: 111,605.62
Step by Step Solution
- Step 1: Write the proportion equation
263,943.84 : 395,915.28 = 74,403.84 : x - Step 2: Convert to fraction form
263,943.84/395,915.28 = 74,403.84/x - Step 3: Cross multiply
263,943.84x = 395,915.28 × 74,403.84 - Step 4: Simplify right side
263,943.84x = 29,457,617,146.68 - Step 5: Solve for x
x = 29,457,617,146.68/263,943.84 - Step 6: Final answer
x = 111,605.62
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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.