Finding the Fourth Proportional to 194,495.07, 268,476.99 and 130,869.78
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Solution
The fourth proportional to 194,495.07, 268,476.99 and 130,869.78 is: 180,649.95
Step by Step Solution
- Step 1: Write the proportion equation
194,495.07 : 268,476.99 = 130,869.78 : x - Step 2: Convert to fraction form
194,495.07/268,476.99 = 130,869.78/x - Step 3: Cross multiply
194,495.07x = 268,476.99 × 130,869.78 - Step 4: Simplify right side
194,495.07x = 35,135,524,616.36 - Step 5: Solve for x
x = 35,135,524,616.36/194,495.07 - Step 6: Final answer
x = 180,649.95
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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.