Finding the Fourth Proportional to 330,935.76, 496,239.60 and 117,671.68
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Solution
The fourth proportional to 330,935.76, 496,239.60 and 117,671.68 is: 176,449.19
Step by Step Solution
- Step 1: Write the proportion equation
330,935.76 : 496,239.60 = 117,671.68 : x - Step 2: Convert to fraction form
330,935.76/496,239.60 = 117,671.68/x - Step 3: Cross multiply
330,935.76x = 496,239.60 × 117,671.68 - Step 4: Simplify right side
330,935.76x = 58,393,347,414.53 - Step 5: Solve for x
x = 58,393,347,414.53/330,935.76 - Step 6: Final answer
x = 176,449.19
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1.5x scale
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.