Finding the Fourth Proportional to 371,992.93, 513,353.91 and 202,230.70
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Solution
The fourth proportional to 371,992.93, 513,353.91 and 202,230.70 is: 279,080.36
Step by Step Solution
- Step 1: Write the proportion equation
371,992.93 : 513,353.91 = 202,230.70 : x - Step 2: Convert to fraction form
371,992.93/513,353.91 = 202,230.70/x - Step 3: Cross multiply
371,992.93x = 513,353.91 × 202,230.70 - Step 4: Simplify right side
371,992.93x = 103,815,920,567.04 - Step 5: Solve for x
x = 103,815,920,567.04/371,992.93 - Step 6: Final answer
x = 279,080.36
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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.