Finding the Fourth Proportional to 230,819.34, 318,674.70 and 149,190.34
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Solution
The fourth proportional to 230,819.34, 318,674.70 and 149,190.34 is: 205,975.75
Step by Step Solution
- Step 1: Write the proportion equation
230,819.34 : 318,674.70 = 149,190.34 : x - Step 2: Convert to fraction form
230,819.34/318,674.70 = 149,190.34/x - Step 3: Cross multiply
230,819.34x = 318,674.70 × 149,190.34 - Step 4: Simplify right side
230,819.34x = 47,543,186,842.40 - Step 5: Solve for x
x = 47,543,186,842.40/230,819.34 - Step 6: Final answer
x = 205,975.75
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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.