Finding the Fourth Proportional to 434,672.20, 652,202.70 and 154,390.60
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Solution
The fourth proportional to 434,672.20, 652,202.70 and 154,390.60 is: 231,654.95
Step by Step Solution
- Step 1: Write the proportion equation
434,672.20 : 652,202.70 = 154,390.60 : x - Step 2: Convert to fraction form
434,672.20/652,202.70 = 154,390.60/x - Step 3: Cross multiply
434,672.20x = 652,202.70 × 154,390.60 - Step 4: Simplify right side
434,672.20x = 100,693,966,174.62 - Step 5: Solve for x
x = 100,693,966,174.62/434,672.20 - Step 6: Final answer
x = 231,654.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.