Finding the Fourth Proportional to 409,759.05, 614,490.96 and 173,120.19
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Solution
The fourth proportional to 409,759.05, 614,490.96 and 173,120.19 is: 259,617.91
Step by Step Solution
- Step 1: Write the proportion equation
409,759.05 : 614,490.96 = 173,120.19 : x - Step 2: Convert to fraction form
409,759.05/614,490.96 = 173,120.19/x - Step 3: Cross multiply
409,759.05x = 614,490.96 × 173,120.19 - Step 4: Simplify right side
409,759.05x = 106,380,789,119.54 - Step 5: Solve for x
x = 106,380,789,119.54/409,759.05 - Step 6: Final answer
x = 259,617.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.