Finding the Fourth Proportional to 204,425.80, 306,638.70 and 151,281.70
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Solution
The fourth proportional to 204,425.80, 306,638.70 and 151,281.70 is: 226,922.55
Step by Step Solution
- Step 1: Write the proportion equation
204,425.80 : 306,638.70 = 151,281.70 : x - Step 2: Convert to fraction form
204,425.80/306,638.70 = 151,281.70/x - Step 3: Cross multiply
204,425.80x = 306,638.70 × 151,281.70 - Step 4: Simplify right side
204,425.80x = 46,388,823,821.79 - Step 5: Solve for x
x = 46,388,823,821.79/204,425.80 - Step 6: Final answer
x = 226,922.55
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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.