Finding the Fourth Proportional to 438,768.95, 658,153.43 and 106,344.95
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Solution
The fourth proportional to 438,768.95, 658,153.43 and 106,344.95 is: 159,517.42
Step by Step Solution
- Step 1: Write the proportion equation
438,768.95 : 658,153.43 = 106,344.95 : x - Step 2: Convert to fraction form
438,768.95/658,153.43 = 106,344.95/x - Step 3: Cross multiply
438,768.95x = 658,153.43 × 106,344.95 - Step 4: Simplify right side
438,768.95x = 69,991,289,783.19 - Step 5: Solve for x
x = 69,991,289,783.19/438,768.95 - Step 6: Final answer
x = 159,517.42
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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.