Finding the Fourth Proportional to 449,154.09, 670,293.68 and 401,231.03
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Solution
The fourth proportional to 449,154.09, 670,293.68 and 401,231.03 is: 598,775.84
Step by Step Solution
- Step 1: Write the proportion equation
449,154.09 : 670,293.68 = 401,231.03 : x - Step 2: Convert to fraction form
449,154.09/670,293.68 = 401,231.03/x - Step 3: Cross multiply
449,154.09x = 670,293.68 × 401,231.03 - Step 4: Simplify right side
449,154.09x = 268,942,618,271.27 - Step 5: Solve for x
x = 268,942,618,271.27/449,154.09 - Step 6: Final answer
x = 598,775.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.