Finding the Fourth Proportional to 235,091.43, 324,430.04 and 133,114.20
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Solution
The fourth proportional to 235,091.43, 324,430.04 and 133,114.20 is: 183,699.79
Step by Step Solution
- Step 1: Write the proportion equation
235,091.43 : 324,430.04 = 133,114.20 : x - Step 2: Convert to fraction form
235,091.43/324,430.04 = 133,114.20/x - Step 3: Cross multiply
235,091.43x = 324,430.04 × 133,114.20 - Step 4: Simplify right side
235,091.43x = 43,186,246,171.66 - Step 5: Solve for x
x = 43,186,246,171.66/235,091.43 - Step 6: Final answer
x = 183,699.79
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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.