Finding the Fourth Proportional to 329,129.20, 493,658.40 and 223,193.14
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Solution
The fourth proportional to 329,129.20, 493,658.40 and 223,193.14 is: 334,765.70
Step by Step Solution
- Step 1: Write the proportion equation
329,129.20 : 493,658.40 = 223,193.14 : x - Step 2: Convert to fraction form
329,129.20/493,658.40 = 223,193.14/x - Step 3: Cross multiply
329,129.20x = 493,658.40 × 223,193.14 - Step 4: Simplify right side
329,129.20x = 110,181,168,383.38 - Step 5: Solve for x
x = 110,181,168,383.38/329,129.20 - Step 6: Final answer
x = 334,765.70
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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.