Finding the Fourth Proportional to 529,850.28, 731,212.58 and 303,539.52
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Solution
The fourth proportional to 529,850.28, 731,212.58 and 303,539.52 is: 418,895.53
Step by Step Solution
- Step 1: Write the proportion equation
529,850.28 : 731,212.58 = 303,539.52 : x - Step 2: Convert to fraction form
529,850.28/731,212.58 = 303,539.52/x - Step 3: Cross multiply
529,850.28x = 731,212.58 × 303,539.52 - Step 4: Simplify right side
529,850.28x = 221,951,914,033.46 - Step 5: Solve for x
x = 221,951,914,033.46/529,850.28 - Step 6: Final answer
x = 418,895.53
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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.