Finding the Fourth Proportional to 200,485.50, 276,669.99 and 119,916.42
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Solution
The fourth proportional to 200,485.50, 276,669.99 and 119,916.42 is: 165,484.66
Step by Step Solution
- Step 1: Write the proportion equation
200,485.50 : 276,669.99 = 119,916.42 : x - Step 2: Convert to fraction form
200,485.50/276,669.99 = 119,916.42/x - Step 3: Cross multiply
200,485.50x = 276,669.99 × 119,916.42 - Step 4: Simplify right side
200,485.50x = 33,177,274,722.24 - Step 5: Solve for x
x = 33,177,274,722.24/200,485.50 - Step 6: Final answer
x = 165,484.66
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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.