Finding the Fourth Proportional to 338,814.68, 467,578.91 and 202,822.31
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Solution
The fourth proportional to 338,814.68, 467,578.91 and 202,822.31 is: 279,903.57
Step by Step Solution
- Step 1: Write the proportion equation
338,814.68 : 467,578.91 = 202,822.31 : x - Step 2: Convert to fraction form
338,814.68/467,578.91 = 202,822.31/x - Step 3: Cross multiply
338,814.68x = 467,578.91 × 202,822.31 - Step 4: Simplify right side
338,814.68x = 94,835,436,309.49 - Step 5: Solve for x
x = 94,835,436,309.49/338,814.68 - Step 6: Final answer
x = 279,903.57
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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.