Finding the Fourth Proportional to 378,668.34, 522,526.01 and 208,891.53
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Solution
The fourth proportional to 378,668.34, 522,526.01 and 208,891.53 is: 288,250.28
Step by Step Solution
- Step 1: Write the proportion equation
378,668.34 : 522,526.01 = 208,891.53 : x - Step 2: Convert to fraction form
378,668.34/522,526.01 = 208,891.53/x - Step 3: Cross multiply
378,668.34x = 522,526.01 × 208,891.53 - Step 4: Simplify right side
378,668.34x = 109,151,256,649.24 - Step 5: Solve for x
x = 109,151,256,649.24/378,668.34 - Step 6: Final answer
x = 288,250.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.