Finding the Fourth Proportional to 239,253.81, 329,716.20 and 171,152.68
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Solution
The fourth proportional to 239,253.81, 329,716.20 and 171,152.68 is: 235,865.88
Step by Step Solution
- Step 1: Write the proportion equation
239,253.81 : 329,716.20 = 171,152.68 : x - Step 2: Convert to fraction form
239,253.81/329,716.20 = 171,152.68/x - Step 3: Cross multiply
239,253.81x = 329,716.20 × 171,152.68 - Step 4: Simplify right side
239,253.81x = 56,431,811,269.42 - Step 5: Solve for x
x = 56,431,811,269.42/239,253.81 - Step 6: Final answer
x = 235,865.88
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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.