Finding the Fourth Proportional to 257,168.05, 385,813.67 and 107,324.99
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Solution
The fourth proportional to 257,168.05, 385,813.67 and 107,324.99 is: 161,013.19
Step by Step Solution
- Step 1: Write the proportion equation
257,168.05 : 385,813.67 = 107,324.99 : x - Step 2: Convert to fraction form
257,168.05/385,813.67 = 107,324.99/x - Step 3: Cross multiply
257,168.05x = 385,813.67 × 107,324.99 - Step 4: Simplify right side
257,168.05x = 41,407,448,274.61 - Step 5: Solve for x
x = 41,407,448,274.61/257,168.05 - Step 6: Final answer
x = 161,013.19
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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.