Finding the Fourth Proportional to 412,192.08, 568,907.96 and 281,718.09
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Solution
The fourth proportional to 412,192.08, 568,907.96 and 281,718.09 is: 388,827.61
Step by Step Solution
- Step 1: Write the proportion equation
412,192.08 : 568,907.96 = 281,718.09 : x - Step 2: Convert to fraction form
412,192.08/568,907.96 = 281,718.09/x - Step 3: Cross multiply
412,192.08x = 568,907.96 × 281,718.09 - Step 4: Simplify right side
412,192.08x = 160,271,662,468.41 - Step 5: Solve for x
x = 160,271,662,468.41/412,192.08 - Step 6: Final answer
x = 388,827.61
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1.5x scale
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.