Finding the Fourth Proportional to 358,140.48, 494,225.79 and 196,991.99
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Solution
The fourth proportional to 358,140.48, 494,225.79 and 196,991.99 is: 271,844.50
Step by Step Solution
- Step 1: Write the proportion equation
358,140.48 : 494,225.79 = 196,991.99 : x - Step 2: Convert to fraction form
358,140.48/494,225.79 = 196,991.99/x - Step 3: Cross multiply
358,140.48x = 494,225.79 × 196,991.99 - Step 4: Simplify right side
358,140.48x = 97,358,519,410.29 - Step 5: Solve for x
x = 97,358,519,410.29/358,140.48 - Step 6: Final answer
x = 271,844.50
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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.