Finding the Fourth Proportional to 449,544.93, 674,649.23 and 212,887.23
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Solution
The fourth proportional to 449,544.93, 674,649.23 and 212,887.23 is: 319,487.99
Step by Step Solution
- Step 1: Write the proportion equation
449,544.93 : 674,649.23 = 212,887.23 : x - Step 2: Convert to fraction form
449,544.93/674,649.23 = 212,887.23/x - Step 3: Cross multiply
449,544.93x = 674,649.23 × 212,887.23 - Step 4: Simplify right side
449,544.93x = 143,624,204,731.90 - Step 5: Solve for x
x = 143,624,204,731.90/449,544.93 - Step 6: Final answer
x = 319,487.99
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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.