Finding the Fourth Proportional to 273,748.09, 411,351.14 and 147,485.29
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Solution
The fourth proportional to 273,748.09, 411,351.14 and 147,485.29 is: 221,620.70
Step by Step Solution
- Step 1: Write the proportion equation
273,748.09 : 411,351.14 = 147,485.29 : x - Step 2: Convert to fraction form
273,748.09/411,351.14 = 147,485.29/x - Step 3: Cross multiply
273,748.09x = 411,351.14 × 147,485.29 - Step 4: Simplify right side
273,748.09x = 60,668,242,174.73 - Step 5: Solve for x
x = 60,668,242,174.73/273,748.09 - Step 6: Final answer
x = 221,620.70
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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.