Finding the Fourth Proportional to 368,874.77, 509,073.19 and 205,542.05
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Solution
The fourth proportional to 368,874.77, 509,073.19 and 205,542.05 is: 283,662.52
Step by Step Solution
- Step 1: Write the proportion equation
368,874.77 : 509,073.19 = 205,542.05 : x - Step 2: Convert to fraction form
368,874.77/509,073.19 = 205,542.05/x - Step 3: Cross multiply
368,874.77x = 509,073.19 × 205,542.05 - Step 4: Simplify right side
368,874.77x = 104,635,944,013.42 - Step 5: Solve for x
x = 104,635,944,013.42/368,874.77 - Step 6: Final answer
x = 283,662.52
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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.