Finding the Fourth Proportional to 196,617.81, 271,329.99 and 110,576.77
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Solution
The fourth proportional to 196,617.81, 271,329.99 and 110,576.77 is: 152,594.49
Step by Step Solution
- Step 1: Write the proportion equation
196,617.81 : 271,329.99 = 110,576.77 : x - Step 2: Convert to fraction form
196,617.81/271,329.99 = 110,576.77/x - Step 3: Cross multiply
196,617.81x = 271,329.99 × 110,576.77 - Step 4: Simplify right side
196,617.81x = 30,002,794,501.45 - Step 5: Solve for x
x = 30,002,794,501.45/196,617.81 - Step 6: Final answer
x = 152,594.49
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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.