Finding the Fourth Proportional to 106,865.97, 160,315.35 and 36,728.88
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Solution
The fourth proportional to 106,865.97, 160,315.35 and 36,728.88 is: 55,098.95
Step by Step Solution
- Step 1: Write the proportion equation
106,865.97 : 160,315.35 = 36,728.88 : x - Step 2: Convert to fraction form
106,865.97/160,315.35 = 36,728.88/x - Step 3: Cross multiply
106,865.97x = 160,315.35 × 36,728.88 - Step 4: Simplify right side
106,865.97x = 5,888,203,252.31 - Step 5: Solve for x
x = 5,888,203,252.31/106,865.97 - Step 6: Final answer
x = 55,098.95
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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.