Finding the Fourth Proportional to 371,279.67, 512,352.23 and 201,510.15
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Solution
The fourth proportional to 371,279.67, 512,352.23 and 201,510.15 is: 278,076.56
Step by Step Solution
- Step 1: Write the proportion equation
371,279.67 : 512,352.23 = 201,510.15 : x - Step 2: Convert to fraction form
371,279.67/512,352.23 = 201,510.15/x - Step 3: Cross multiply
371,279.67x = 512,352.23 × 201,510.15 - Step 4: Simplify right side
371,279.67x = 103,244,174,720.13 - Step 5: Solve for x
x = 103,244,174,720.13/371,279.67 - Step 6: Final answer
x = 278,076.56
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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.