Finding the Fourth Proportional to 194,625.05, 268,582.59 and 109,742.09
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Solution
The fourth proportional to 194,625.05, 268,582.59 and 109,742.09 is: 151,444.09
Step by Step Solution
- Step 1: Write the proportion equation
194,625.05 : 268,582.59 = 109,742.09 : x - Step 2: Convert to fraction form
194,625.05/268,582.59 = 109,742.09/x - Step 3: Cross multiply
194,625.05x = 268,582.59 × 109,742.09 - Step 4: Simplify right side
194,625.05x = 29,474,813,421.30 - Step 5: Solve for x
x = 29,474,813,421.30/194,625.05 - Step 6: Final answer
x = 151,444.09
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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.