Finding the Fourth Proportional to 300,862.97, 415,194.15 and 164,893.99
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Solution
The fourth proportional to 300,862.97, 415,194.15 and 164,893.99 is: 227,555.49
Step by Step Solution
- Step 1: Write the proportion equation
300,862.97 : 415,194.15 = 164,893.99 : x - Step 2: Convert to fraction form
300,862.97/415,194.15 = 164,893.99/x - Step 3: Cross multiply
300,862.97x = 415,194.15 × 164,893.99 - Step 4: Simplify right side
300,862.97x = 68,463,019,917.41 - Step 5: Solve for x
x = 68,463,019,917.41/300,862.97 - Step 6: Final answer
x = 227,555.49
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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.