Finding the Fourth Proportional to 436,591.07, 654,886.64 and 121,047.99
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Solution
The fourth proportional to 436,591.07, 654,886.64 and 121,047.99 is: 181,571.99
Step by Step Solution
- Step 1: Write the proportion equation
436,591.07 : 654,886.64 = 121,047.99 : x - Step 2: Convert to fraction form
436,591.07/654,886.64 = 121,047.99/x - Step 3: Cross multiply
436,591.07x = 654,886.64 × 121,047.99 - Step 4: Simplify right side
436,591.07x = 79,272,711,449.85 - Step 5: Solve for x
x = 79,272,711,449.85/436,591.07 - Step 6: Final answer
x = 181,571.99
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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.