Finding the Fourth Proportional to 279,310.48, 419,173.58 and 137,232.02
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Solution
The fourth proportional to 279,310.48, 419,173.58 and 137,232.02 is: 205,950.16
Step by Step Solution
- Step 1: Write the proportion equation
279,310.48 : 419,173.58 = 137,232.02 : x - Step 2: Convert to fraction form
279,310.48/419,173.58 = 137,232.02/x - Step 3: Cross multiply
279,310.48x = 419,173.58 × 137,232.02 - Step 4: Simplify right side
279,310.48x = 57,524,038,505.05 - Step 5: Solve for x
x = 57,524,038,505.05/279,310.48 - Step 6: Final answer
x = 205,950.16
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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.