Finding the Fourth Proportional to 403,971.30, 605,021.40 and 201,198.06
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Solution
The fourth proportional to 403,971.30, 605,021.40 and 201,198.06 is: 301,331.14
Step by Step Solution
- Step 1: Write the proportion equation
403,971.30 : 605,021.40 = 201,198.06 : x - Step 2: Convert to fraction form
403,971.30/605,021.40 = 201,198.06/x - Step 3: Cross multiply
403,971.30x = 605,021.40 × 201,198.06 - Step 4: Simplify right side
403,971.30x = 121,729,131,938.48 - Step 5: Solve for x
x = 121,729,131,938.48/403,971.30 - Step 6: Final answer
x = 301,331.14
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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.