Finding the Fourth Proportional to 311,604.92, 430,102.88 and 184,324.76
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Solution
The fourth proportional to 311,604.92, 430,102.88 and 184,324.76 is: 254,420.28
Step by Step Solution
- Step 1: Write the proportion equation
311,604.92 : 430,102.88 = 184,324.76 : x - Step 2: Convert to fraction form
311,604.92/430,102.88 = 184,324.76/x - Step 3: Cross multiply
311,604.92x = 430,102.88 × 184,324.76 - Step 4: Simplify right side
311,604.92x = 79,278,610,131.31 - Step 5: Solve for x
x = 79,278,610,131.31/311,604.92 - Step 6: Final answer
x = 254,420.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.