Finding the Fourth Proportional to 408,744.06, 612,910.02 and 124,380.06
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Solution
The fourth proportional to 408,744.06, 612,910.02 and 124,380.06 is: 186,507.38
Step by Step Solution
- Step 1: Write the proportion equation
408,744.06 : 612,910.02 = 124,380.06 : x - Step 2: Convert to fraction form
408,744.06/612,910.02 = 124,380.06/x - Step 3: Cross multiply
408,744.06x = 612,910.02 × 124,380.06 - Step 4: Simplify right side
408,744.06x = 76,233,785,062.20 - Step 5: Solve for x
x = 76,233,785,062.20/408,744.06 - Step 6: Final answer
x = 186,507.38
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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.