Finding the Fourth Proportional to 118,756.09, 178,145.84 and 34,516.99
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Solution
The fourth proportional to 118,756.09, 178,145.84 and 34,516.99 is: 51,778.89
Step by Step Solution
- Step 1: Write the proportion equation
118,756.09 : 178,145.84 = 34,516.99 : x - Step 2: Convert to fraction form
118,756.09/178,145.84 = 34,516.99/x - Step 3: Cross multiply
118,756.09x = 178,145.84 × 34,516.99 - Step 4: Simplify right side
118,756.09x = 6,149,058,177.82 - Step 5: Solve for x
x = 6,149,058,177.82/118,756.09 - Step 6: Final answer
x = 51,778.89
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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.