Finding the Fourth Proportional to 194,385.68, 268,247.16 and 109,497.68
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Solution
The fourth proportional to 194,385.68, 268,247.16 and 109,497.68 is: 151,103.94
Step by Step Solution
- Step 1: Write the proportion equation
194,385.68 : 268,247.16 = 109,497.68 : x - Step 2: Convert to fraction form
194,385.68/268,247.16 = 109,497.68/x - Step 3: Cross multiply
194,385.68x = 268,247.16 × 109,497.68 - Step 4: Simplify right side
194,385.68x = 29,372,441,686.59 - Step 5: Solve for x
x = 29,372,441,686.59/194,385.68 - Step 6: Final answer
x = 151,103.94
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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.