Finding the Fourth Proportional to 634,549.94, 951,351.53 and 381,771.20
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Solution
The fourth proportional to 634,549.94, 951,351.53 and 381,771.20 is: 572,371.99
Step by Step Solution
- Step 1: Write the proportion equation
634,549.94 : 951,351.53 = 381,771.20 : x - Step 2: Convert to fraction form
634,549.94/951,351.53 = 381,771.20/x - Step 3: Cross multiply
634,549.94x = 951,351.53 × 381,771.20 - Step 4: Simplify right side
634,549.94x = 363,198,608,564.32 - Step 5: Solve for x
x = 363,198,608,564.32/634,549.94 - Step 6: Final answer
x = 572,371.99
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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.