Finding the Fourth Proportional to 849,877.24, 1,274,893.78 and 218,793.08
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Solution
The fourth proportional to 849,877.24, 1,274,893.78 and 218,793.08 is: 328,209.68
Step by Step Solution
- Step 1: Write the proportion equation
849,877.24 : 1,274,893.78 = 218,793.08 : x - Step 2: Convert to fraction form
849,877.24/1,274,893.78 = 218,793.08/x - Step 3: Cross multiply
849,877.24x = 1,274,893.78 × 218,793.08 - Step 4: Simplify right side
849,877.24x = 278,937,936,799.04 - Step 5: Solve for x
x = 278,937,936,799.04/849,877.24 - Step 6: Final answer
x = 328,209.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.