Finding the Fourth Proportional to 371,555.24, 512,747.70 and 201,792.20
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Solution
The fourth proportional to 371,555.24, 512,747.70 and 201,792.20 is: 278,474.03
Step by Step Solution
- Step 1: Write the proportion equation
371,555.24 : 512,747.70 = 201,792.20 : x - Step 2: Convert to fraction form
371,555.24/512,747.70 = 201,792.20/x - Step 3: Cross multiply
371,555.24x = 512,747.70 × 201,792.20 - Step 4: Simplify right side
371,555.24x = 103,468,486,427.94 - Step 5: Solve for x
x = 103,468,486,427.94/371,555.24 - Step 6: Final answer
x = 278,474.03
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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.