Finding the Fourth Proportional to 371,569.05, 512,756.87 and 201,799.53
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Solution
The fourth proportional to 371,569.05, 512,756.87 and 201,799.53 is: 278,478.78
Step by Step Solution
- Step 1: Write the proportion equation
371,569.05 : 512,756.87 = 201,799.53 : x - Step 2: Convert to fraction form
371,569.05/512,756.87 = 201,799.53/x - Step 3: Cross multiply
371,569.05x = 512,756.87 × 201,799.53 - Step 4: Simplify right side
371,569.05x = 103,474,094,361.27 - Step 5: Solve for x
x = 103,474,094,361.27/371,569.05 - Step 6: Final answer
x = 278,478.78
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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.