Finding the Fourth Proportional to 186,480.43, 279,720.34 and 46,239.05
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Solution
The fourth proportional to 186,480.43, 279,720.34 and 46,239.05 is: 69,358.50
Step by Step Solution
- Step 1: Write the proportion equation
186,480.43 : 279,720.34 = 46,239.05 : x - Step 2: Convert to fraction form
186,480.43/279,720.34 = 46,239.05/x - Step 3: Cross multiply
186,480.43x = 279,720.34 × 46,239.05 - Step 4: Simplify right side
186,480.43x = 12,934,003,370.98 - Step 5: Solve for x
x = 12,934,003,370.98/186,480.43 - Step 6: Final answer
x = 69,358.50
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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.