Finding the Fourth Proportional to 378,335.14, 522,099.06 and 208,569.26
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Solution
The fourth proportional to 378,335.14, 522,099.06 and 208,569.26 is: 287,823.69
Step by Step Solution
- Step 1: Write the proportion equation
378,335.14 : 522,099.06 = 208,569.26 : x - Step 2: Convert to fraction form
378,335.14/522,099.06 = 208,569.26/x - Step 3: Cross multiply
378,335.14x = 522,099.06 × 208,569.26 - Step 4: Simplify right side
378,335.14x = 108,893,814,590.90 - Step 5: Solve for x
x = 108,893,814,590.90/378,335.14 - Step 6: Final answer
x = 287,823.69
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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.