Finding the Fourth Proportional to 215,845.70, 323,768.55 and 68,101.70
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Solution
The fourth proportional to 215,845.70, 323,768.55 and 68,101.70 is: 102,152.55
Step by Step Solution
- Step 1: Write the proportion equation
215,845.70 : 323,768.55 = 68,101.70 : x - Step 2: Convert to fraction form
215,845.70/323,768.55 = 68,101.70/x - Step 3: Cross multiply
215,845.70x = 323,768.55 × 68,101.70 - Step 4: Simplify right side
215,845.70x = 22,049,188,661.54 - Step 5: Solve for x
x = 22,049,188,661.54/215,845.70 - Step 6: Final answer
x = 102,152.55
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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.