Finding the Fourth Proportional to 144,032.99, 198,735.84 and 82,767.35
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Solution
The fourth proportional to 144,032.99, 198,735.84 and 82,767.35 is: 114,201.88
Step by Step Solution
- Step 1: Write the proportion equation
144,032.99 : 198,735.84 = 82,767.35 : x - Step 2: Convert to fraction form
144,032.99/198,735.84 = 82,767.35/x - Step 3: Cross multiply
144,032.99x = 198,735.84 × 82,767.35 - Step 4: Simplify right side
144,032.99x = 16,448,838,040.06 - Step 5: Solve for x
x = 16,448,838,040.06/144,032.99 - Step 6: Final answer
x = 114,201.88
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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.