Finding the Fourth Proportional to 312,394.24, 468,591.36 and 75,736.91
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Solution
The fourth proportional to 312,394.24, 468,591.36 and 75,736.91 is: 113,605.37
Step by Step Solution
- Step 1: Write the proportion equation
312,394.24 : 468,591.36 = 75,736.91 : x - Step 2: Convert to fraction form
312,394.24/468,591.36 = 75,736.91/x - Step 3: Cross multiply
312,394.24x = 468,591.36 × 75,736.91 - Step 4: Simplify right side
312,394.24x = 35,489,661,659.10 - Step 5: Solve for x
x = 35,489,661,659.10/312,394.24 - Step 6: Final answer
x = 113,605.37
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1.5x scale
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.