Finding the Fourth Proportional to 371,634.84, 512,845.20 and 201,868.56
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Solution
The fourth proportional to 371,634.84, 512,845.20 and 201,868.56 is: 278,572.70
Step by Step Solution
- Step 1: Write the proportion equation
371,634.84 : 512,845.20 = 201,868.56 : x - Step 2: Convert to fraction form
371,634.84/512,845.20 = 201,868.56/x - Step 3: Cross multiply
371,634.84x = 512,845.20 × 201,868.56 - Step 4: Simplify right side
371,634.84x = 103,527,322,026.91 - Step 5: Solve for x
x = 103,527,322,026.91/371,634.84 - Step 6: Final answer
x = 278,572.70
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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.