Finding the Fourth Proportional to 239,951.23, 331,126.36 and 132,518.95
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Solution
The fourth proportional to 239,951.23, 331,126.36 and 132,518.95 is: 182,872.65
Step by Step Solution
- Step 1: Write the proportion equation
239,951.23 : 331,126.36 = 132,518.95 : x - Step 2: Convert to fraction form
239,951.23/331,126.36 = 132,518.95/x - Step 3: Cross multiply
239,951.23x = 331,126.36 × 132,518.95 - Step 4: Simplify right side
239,951.23x = 43,880,515,226.30 - Step 5: Solve for x
x = 43,880,515,226.30/239,951.23 - Step 6: Final answer
x = 182,872.65
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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.