Finding the Fourth Proportional to 193,439.92, 290,066.49 and 81,089.96
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Solution
The fourth proportional to 193,439.92, 290,066.49 and 81,089.96 is: 121,595.79
Step by Step Solution
- Step 1: Write the proportion equation
193,439.92 : 290,066.49 = 81,089.96 : x - Step 2: Convert to fraction form
193,439.92/290,066.49 = 81,089.96/x - Step 3: Cross multiply
193,439.92x = 290,066.49 × 81,089.96 - Step 4: Simplify right side
193,439.92x = 23,521,480,071.44 - Step 5: Solve for x
x = 23,521,480,071.44/193,439.92 - Step 6: Final answer
x = 121,595.79
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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.