Finding the Fourth Proportional to 354,391.47, 531,589.12 and 88,151.99
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Solution
The fourth proportional to 354,391.47, 531,589.12 and 88,151.99 is: 132,228.45
Step by Step Solution
- Step 1: Write the proportion equation
354,391.47 : 531,589.12 = 88,151.99 : x - Step 2: Convert to fraction form
354,391.47/531,589.12 = 88,151.99/x - Step 3: Cross multiply
354,391.47x = 531,589.12 × 88,151.99 - Step 4: Simplify right side
354,391.47x = 46,860,635,912.02 - Step 5: Solve for x
x = 46,860,635,912.02/354,391.47 - Step 6: Final answer
x = 132,228.45
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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.