Finding the Fourth Proportional to 239,959.98, 331,138.44 and 132,527.70
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Solution
The fourth proportional to 239,959.98, 331,138.44 and 132,527.70 is: 182,884.73
Step by Step Solution
- Step 1: Write the proportion equation
239,959.98 : 331,138.44 = 132,527.70 : x - Step 2: Convert to fraction form
239,959.98/331,138.44 = 132,527.70/x - Step 3: Cross multiply
239,959.98x = 331,138.44 × 132,527.70 - Step 4: Simplify right side
239,959.98x = 43,885,015,834.79 - Step 5: Solve for x
x = 43,885,015,834.79/239,959.98 - Step 6: Final answer
x = 182,884.73
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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.