Finding the Fourth Proportional to 194,379.68, 268,238.88 and 109,491.68
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Solution
The fourth proportional to 194,379.68, 268,238.88 and 109,491.68 is: 151,095.66
Step by Step Solution
- Step 1: Write the proportion equation
194,379.68 : 268,238.88 = 109,491.68 : x - Step 2: Convert to fraction form
194,379.68/268,238.88 = 109,491.68/x - Step 3: Cross multiply
194,379.68x = 268,238.88 × 109,491.68 - Step 4: Simplify right side
194,379.68x = 29,369,925,612.52 - Step 5: Solve for x
x = 29,369,925,612.52/194,379.68 - Step 6: Final answer
x = 151,095.66
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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.