Finding the Fourth Proportional to 447,668.12, 671,080.07 and 222,815.99
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Solution
The fourth proportional to 447,668.12, 671,080.07 and 222,815.99 is: 334,013.88
Step by Step Solution
- Step 1: Write the proportion equation
447,668.12 : 671,080.07 = 222,815.99 : x - Step 2: Convert to fraction form
447,668.12/671,080.07 = 222,815.99/x - Step 3: Cross multiply
447,668.12x = 671,080.07 × 222,815.99 - Step 4: Simplify right side
447,668.12x = 149,527,365,696.84 - Step 5: Solve for x
x = 149,527,365,696.84/447,668.12 - Step 6: Final answer
x = 334,013.88
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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.