Finding the Fourth Proportional to 343,414.56, 473,939.36 and 190,467.84
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Solution
The fourth proportional to 343,414.56, 473,939.36 and 190,467.84 is: 262,860.74
Step by Step Solution
- Step 1: Write the proportion equation
343,414.56 : 473,939.36 = 190,467.84 : x - Step 2: Convert to fraction form
343,414.56/473,939.36 = 190,467.84/x - Step 3: Cross multiply
343,414.56x = 473,939.36 × 190,467.84 - Step 4: Simplify right side
343,414.56x = 90,270,206,190.18 - Step 5: Solve for x
x = 90,270,206,190.18/343,414.56 - Step 6: Final answer
x = 262,860.74
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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.