Finding the Fourth Proportional to 378,282.68, 522,033.68 and 208,522.88
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Solution
The fourth proportional to 378,282.68, 522,033.68 and 208,522.88 is: 287,763.55
Step by Step Solution
- Step 1: Write the proportion equation
378,282.68 : 522,033.68 = 208,522.88 : x - Step 2: Convert to fraction form
378,282.68/522,033.68 = 208,522.88/x - Step 3: Cross multiply
378,282.68x = 522,033.68 × 208,522.88 - Step 4: Simplify right side
378,282.68x = 108,855,966,410.60 - Step 5: Solve for x
x = 108,855,966,410.60/378,282.68 - Step 6: Final answer
x = 287,763.55
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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.