Finding the Fourth Proportional to 330,877.14, 456,486.75 and 194,827.92
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Solution
The fourth proportional to 330,877.14, 456,486.75 and 194,827.92 is: 268,789.69
Step by Step Solution
- Step 1: Write the proportion equation
330,877.14 : 456,486.75 = 194,827.92 : x - Step 2: Convert to fraction form
330,877.14/456,486.75 = 194,827.92/x - Step 3: Cross multiply
330,877.14x = 456,486.75 × 194,827.92 - Step 4: Simplify right side
330,877.14x = 88,936,364,010.06 - Step 5: Solve for x
x = 88,936,364,010.06/330,877.14 - Step 6: Final answer
x = 268,789.69
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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.