Finding the Fourth Proportional to 300,897.18, 415,218.96 and 164,907.09
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Solution
The fourth proportional to 300,897.18, 415,218.96 and 164,907.09 is: 227,561.29
Step by Step Solution
- Step 1: Write the proportion equation
300,897.18 : 415,218.96 = 164,907.09 : x - Step 2: Convert to fraction form
300,897.18/415,218.96 = 164,907.09/x - Step 3: Cross multiply
300,897.18x = 415,218.96 × 164,907.09 - Step 4: Simplify right side
300,897.18x = 68,472,550,406.43 - Step 5: Solve for x
x = 68,472,550,406.43/300,897.18 - Step 6: Final answer
x = 227,561.29
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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.