Finding the Fourth Proportional to 451,199.36, 676,765.21 and 131,353.68
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Solution
The fourth proportional to 451,199.36, 676,765.21 and 131,353.68 is: 197,020.68
Step by Step Solution
- Step 1: Write the proportion equation
451,199.36 : 676,765.21 = 131,353.68 : x - Step 2: Convert to fraction form
451,199.36/676,765.21 = 131,353.68/x - Step 3: Cross multiply
451,199.36x = 676,765.21 × 131,353.68 - Step 4: Simplify right side
451,199.36x = 88,895,602,451.79 - Step 5: Solve for x
x = 88,895,602,451.79/451,199.36 - Step 6: Final answer
x = 197,020.68
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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.