Finding the Fourth Proportional to 149,265.99, 205,977.74 and 82,197.99
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Solution
The fourth proportional to 149,265.99, 205,977.74 and 82,197.99 is: 113,428.09
Step by Step Solution
- Step 1: Write the proportion equation
149,265.99 : 205,977.74 = 82,197.99 : x - Step 2: Convert to fraction form
149,265.99/205,977.74 = 82,197.99/x - Step 3: Cross multiply
149,265.99x = 205,977.74 × 82,197.99 - Step 4: Simplify right side
149,265.99x = 16,930,955,801.75 - Step 5: Solve for x
x = 16,930,955,801.75/149,265.99 - Step 6: Final answer
x = 113,428.09
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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.