Finding the Fourth Proportional to 373,707.12, 560,227.34 and 136,994.54
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Solution
The fourth proportional to 373,707.12, 560,227.34 and 136,994.54 is: 205,369.61
Step by Step Solution
- Step 1: Write the proportion equation
373,707.12 : 560,227.34 = 136,994.54 : x - Step 2: Convert to fraction form
373,707.12/560,227.34 = 136,994.54/x - Step 3: Cross multiply
373,707.12x = 560,227.34 × 136,994.54 - Step 4: Simplify right side
373,707.12x = 76,748,086,738.72 - Step 5: Solve for x
x = 76,748,086,738.72/373,707.12 - Step 6: Final answer
x = 205,369.61
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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.