Finding the Fourth Proportional to 407,690.37, 611,337.74 and 170,969.49
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Solution
The fourth proportional to 407,690.37, 611,337.74 and 170,969.49 is: 256,371.28
Step by Step Solution
- Step 1: Write the proportion equation
407,690.37 : 611,337.74 = 170,969.49 : x - Step 2: Convert to fraction form
407,690.37/611,337.74 = 170,969.49/x - Step 3: Cross multiply
407,690.37x = 611,337.74 × 170,969.49 - Step 4: Simplify right side
407,690.37x = 104,520,100,770.71 - Step 5: Solve for x
x = 104,520,100,770.71/407,690.37 - Step 6: Final answer
x = 256,371.28
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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.