Finding the Fourth Proportional to 221,163.79, 331,767.26 and 88,012.96
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Solution
The fourth proportional to 221,163.79, 331,767.26 and 88,012.96 is: 132,028.03
Step by Step Solution
- Step 1: Write the proportion equation
221,163.79 : 331,767.26 = 88,012.96 : x - Step 2: Convert to fraction form
221,163.79/331,767.26 = 88,012.96/x - Step 3: Cross multiply
221,163.79x = 331,767.26 × 88,012.96 - Step 4: Simplify right side
221,163.79x = 29,199,818,583.69 - Step 5: Solve for x
x = 29,199,818,583.69/221,163.79 - Step 6: Final answer
x = 132,028.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.