Finding the Fourth Proportional to 192,915.21, 266,220.11 and 106,874.01
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Solution
The fourth proportional to 192,915.21, 266,220.11 and 106,874.01 is: 147,484.54
Step by Step Solution
- Step 1: Write the proportion equation
192,915.21 : 266,220.11 = 106,874.01 : x - Step 2: Convert to fraction form
192,915.21/266,220.11 = 106,874.01/x - Step 3: Cross multiply
192,915.21x = 266,220.11 × 106,874.01 - Step 4: Simplify right side
192,915.21x = 28,452,010,698.34 - Step 5: Solve for x
x = 28,452,010,698.34/192,915.21 - Step 6: Final answer
x = 147,484.54
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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.