Finding the Fourth Proportional to 378,266.16, 522,000.84 and 208,516.08
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Solution
The fourth proportional to 378,266.16, 522,000.84 and 208,516.08 is: 287,748.63
Step by Step Solution
- Step 1: Write the proportion equation
378,266.16 : 522,000.84 = 208,516.08 : x - Step 2: Convert to fraction form
378,266.16/522,000.84 = 208,516.08/x - Step 3: Cross multiply
378,266.16x = 522,000.84 × 208,516.08 - Step 4: Simplify right side
378,266.16x = 108,845,568,913.51 - Step 5: Solve for x
x = 108,845,568,913.51/378,266.16 - Step 6: Final answer
x = 287,748.63
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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.