Finding the Fourth Proportional to 274,334.58, 411,128.16 and 132,169.62
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Solution
The fourth proportional to 274,334.58, 411,128.16 and 132,169.62 is: 198,074.38
Step by Step Solution
- Step 1: Write the proportion equation
274,334.58 : 411,128.16 = 132,169.62 : x - Step 2: Convert to fraction form
274,334.58/411,128.16 = 132,169.62/x - Step 3: Cross multiply
274,334.58x = 411,128.16 × 132,169.62 - Step 4: Simplify right side
274,334.58x = 54,338,652,678.50 - Step 5: Solve for x
x = 54,338,652,678.50/274,334.58 - Step 6: Final answer
x = 198,074.38
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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.