Finding the Fourth Proportional to 320,898.92, 481,403.05 and 161,051.09
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Solution
The fourth proportional to 320,898.92, 481,403.05 and 161,051.09 is: 241,604.07
Step by Step Solution
- Step 1: Write the proportion equation
320,898.92 : 481,403.05 = 161,051.09 : x - Step 2: Convert to fraction form
320,898.92/481,403.05 = 161,051.09/x - Step 3: Cross multiply
320,898.92x = 481,403.05 × 161,051.09 - Step 4: Simplify right side
320,898.92x = 77,530,483,122.18 - Step 5: Solve for x
x = 77,530,483,122.18/320,898.92 - Step 6: Final answer
x = 241,604.07
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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.